Famous American Geologists

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 1 
John Muir
(Naturalist)
John Muir
4
Birthdate: April 21, 1838
Sun Sign: Taurus
Birthplace: Dunbar
Died: December 24, 1914

John Muir was a Scottish-American naturalist, environmental philosopher, glaciologist, botanist, zoologist, and author. Nicknamed Father of the National Parks and John of the Mountains, Muir was an influential proponent of the preservation of wilderness in the US. He is credited with co-founding the American conservation organization, The Sierra Club. Muir is considered a hero by many environmentalists around the world.

 2 
Robert Ballard
(Retired US Navy Officer and Oceanographer Who Discovered the Wrecks of the 'RMS Titanic' in 1985)
Robert Ballard
4
Birthdate: June 30, 1942
Sun Sign: Cancer
Birthplace: Wichita, Kansas, United States

A retired US Navy officer, Robert Ballard is now an oceanography professor, a marine explorer, and an underwater archaeologist, who has discovered countless shipwrecks, including the RMS Titanic and Bismark. He has also discovered hydrothermal vents. His exploration has earned him many honors, such as the Hubbard Medal.

 3 
Harrison Schmitt
(American Astronaut and the Only Person Without a Background in Military Aviation to Have Walked on the Moon)
Harrison Schmitt
4
Birthdate: July 3, 1935
Sun Sign: Cancer
Birthplace: Santa Rita, New Mexico, United States

Harrison Schmitt is an American geologist, university professor, and former NASA astronaut. He also served as the US Senator from New Mexico from 1977 to 1983. In 1972, Schmitt became a crew member of Apollo 17 and subsequenly the second-youngest person to walk on the Moon. In 1973, Harrison Schmitt was honored with the NASA Distinguished Service Medal.

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 4 
David A. Johnston
(American Volcanologist Who was Caught in the Midst of the Eruption of Mount St. Helens in 1980)
David A. Johnston
4
Birthdate: December 18, 1949
Sun Sign: Sagittarius
Birthplace: Chicago, Illinois, United States
Died: May 18, 1980

David A. Johnston was an American volcanologist who was caught in the midst of the eruption of Mount St. Helens in 1980. Johnston was killed during the eruption and his body was never found. David A. Johnston's life and career have inspired several documentaries, docudramas, and films.

 5 
Louis Agassiz
(Geologist)
Louis Agassiz
4
Birthdate: May 28, 1807
Sun Sign: Gemini
Birthplace: Montier
Died: December 14, 1873

Louis Agassiz was a biologist and geologist. He was famous as a scholar of Earth's natural history. Born in Switzerland, he completed his education in Europe and emigrated to USA. He was appointed a professor of zoology and geology at Harvard University. He later founded the Museum of Comparative Zoology at the Lawrence Scientific School.  

 6 
John Wesley Powell
(Explorer, Geologist)
John Wesley Powell
4
Birthdate: March 24, 1834
Sun Sign: Aries
Birthplace: Mount Morris
Died: September 23, 1902

John Wesley Powell was a geologist and explorer of the American West. He undertook a series of adventures as a young man and later joined the military. He is best known for the three-month-long geographic expedition he undertook down the Green and Colorado rivers. He was made the director of the U.S. Geological Survey in 1881.  

 7 
Eugene Merle Shoemaker
(American Geologist Best Known for Co-Discovering the 'Comet Shoemaker-Levy 9')
Eugene Merle Shoemaker
4
Birthdate: April 28, 1928
Sun Sign: Taurus
Birthplace: Los Angeles, California, United States
Died: July 18, 1997

Best known for discovering the Shoemaker-Levy 9 comet, with his wife, Carolyn, and David H. Levy, Eugene Merle Shoemaker was an American astrogeologist who had also worked with the U.S. Geological Survey. He had been part of NASA’s lunar exploration missions. Following his death, his ashes were transported to the Moon.

 8 
Kathryn D. Sullivan
(US Oceanographer, Geologist, and Astronaut, Who Was the First American Woman to Walk in Space)
Kathryn D. Sullivan
4
Birthdate: October 3, 1951
Sun Sign: Libra
Birthplace: Paterson, New Jersey, United States

US oceanographer, geologist, and former US Navy officer and NASA astronaut Kathryn D. Sullivan scripted history in 1984 when she became the first woman from the US to walk in space. Apart from being part of 3 Space Shuttle missions, she also worked in various administrative posts at the National Oceanic and Atmospheric Administration.

 9 
Charles Francis Richter
(US Physicist and Seismologist Who Co-Created the Richter Scale for Measuring Earthquake Intensity)
Charles Francis Richter
5
Birthdate: April 26, 1900
Sun Sign: Taurus
Birthplace: near Hamilton, Ohio
Died: September 30, 1985

US physicist and seismologist Charles Francis Richter is best known for co-creating the Richter magnitude scale for measuring the intensity of earthquakes, along with Beno Gutenberg. He taught at Caltech and tracked down earthquake-prone areas of the US. A naturist, he was also fond of nudist communities.

 10 
Harry Hammond Hess
(US Navy Officer and Geologist Who Pioneered the 'Unifying Theory of Plate Tectonics')
Harry Hammond Hess
3
Birthdate: May 24, 1906
Sun Sign: Gemini
Birthplace: New York City
Died: August 25, 1969

US Navy officer and geologist Harry Hammond Hess is remembered for his pioneering contribution to the unifying theory of plate tectonics. He also worked extensively on the concept of seafloor spreading and was part of the faculty of Princeton University. He served as the Geological Society of America as its president, too.

 11 
George de Mohrenschildt
(US Geologist, Professor, and CIA Informant)
George de Mohrenschildt
4
Birthdate: April 17, 1911
Sun Sign: Aries
Birthplace: Mazyr, Belarus
Died: March 29, 1977

Born into an aristocratic family in the Russian Empire, George de Mohrenschildt later moved to the US, where he became a prominent petroleum geologist and professor. He is also known to have been a friend of John F. Kennedy’s killer, Lee Harvey Oswald. He also worked as a CIA informant.

 12 
Walter Alvarez
(US Professor and Geologist Who Stated that Dinosaurs Were Killed by an Asteroid)
Walter Alvarez
3
Birthdate: October 3, 1940
Sun Sign: Libra
Birthplace: Berkeley, California, United States

The son of Nobel Prize-winning US physicist Luis Walter Alvarez, Walter Alvarez is remembered for his theory that dinosaurs died due to an asteroid impact, a theory he developed with his father. The theory stemmed from their discovery of an iridium-rich layer of clay, since iridium is commonly found in asteroids.

 13 
Marie Tharp
(US Geologist and Oceanographer Known for Her Pioneering Work on 'Oceanographic Cartography')
Marie Tharp
3
Birthdate: July 30, 1920
Sun Sign: Leo
Birthplace: Ypsilanti, Michigan, United States
Died: August 23, 2006

US geologist and oceanographer Marie Tharp is remembered for her pioneering work on oceanographic cartography. She contributed to the development of the first scientific map of the floor of the Atlantic Ocean. She was associated with the Columbia University’s Lamont–Doherty Earth Observatory and was one of the first women to work for it.

 14 
Clarence King
(US Geologist and Mountaineer Who Was the 1st Director of the US Geological Survey)
Clarence King
3
Birthdate: January 6, 1842
Sun Sign: Capricorn
Birthplace: Newport, Rhode Island, United States
Died: December 24, 1901

US geologist, mining engineer, and mountaineer Clarence King was the 1st director of the US Geological Survey. While preparing his report, Systematic Geology, he found the first US glaciers. Mostly known for his exploration of the Sierra Nevada mountain range, he penned the iconic work Mountaineering in the Sierra Nevada.

 15 
Harry Glicken
(US Volcanologist Who Died in a Volcanic Eruption at Japan’s Mount Unzen)
Harry Glicken
4
Birthdate: March 7, 1958
Sun Sign: Pisces
Died: June 3, 1991

US volcanologist Harry Glicken, a Stanford alumnus, worked for the United States Geological Survey to study Mount St. Helens. After losing his mentor, David A. Johnston, in a volcanic avalanche at St. Helens, he himself lost his life in pyroclastic flow at Japan’s Mount Unzen.

 16 
Marcia McNutt
(US Geophysicist and the First Female Director of the US Geological Survey)
Marcia McNutt
3
Birthdate: February 19, 1952
Sun Sign: Pisces
Birthplace: Minneapolis, Minnesota, United States

US geophysicist Marcia McNutt scripted history as the first female director of the US Geological Survey. She has also been the president of the National Academy of Sciences. She has also taught marine geophysics at Stanford and the University of California, Santa Cruz. Her countless awards include the Maurice Ewing Medal.

 17 
Henry Fairfield Osborn
(Geologist, Paleontologist)
Henry Fairfield Osborn
3
Birthdate: August 8, 1857
Sun Sign: Leo
Birthplace: Fairfield
Died: September 6, 1935

Henry Fairfield Osborn was an American geologist, paleontologist, and eugenics advocate. He is best remembered for his association with the American Museum of Natural History where he served as the president for 25 years. Osborn is also remembered for developing his own evolutionary theory which he called the Dawn Man Theory.

 18 
Henry Schoolcraft
(American Geologist, Geographer, and Ethnologist Who is Known for His Studies of Native American Cultures)
Henry Schoolcraft
3
Birthdate: March 28, 1793
Sun Sign: Aries
Birthplace: Guilderland, New York, United States
Died: December 10, 1864

Henry Schoolcraft was an American geologist, geographer, and ethnologist. He is best remembered for his studies of Native American cultures. Henry Schoolcraft is also credited with founding The Journal of Education, America's first journal on public education.

 19 
M. King Hubbert
(US Geophysicist and Geologist Who Developed the 'Hubbert Peak Theory')
M. King Hubbert
3
Birthdate: October 5, 1903
Sun Sign: Libra
Birthplace: San Saba, Texas, United States
Died: October 11, 1989

US geophysicist and geologist M. King Hubbert is remembered for developing what is now known as the Hubbert peak theory. Associated with Houston’s Shell research lab, he mostly conducted studies on the migration of petroleum. He was also associated with the faculty of Stanford and Johns Hopkins.

 20 
William Morris Davis
(American Geographer, Geologist. Meteorologist, and Geomorphologist)
William Morris Davis
3
Birthdate: February 12, 1850
Sun Sign: Aquarius
Birthplace: Philadelphia, Pennsylvania, United States
Died: February 5, 1934

William Morris Davis was an American geologist, geographer, meteorologist, and geomorphologist. Often referred to as the father of American geography, Davis is credited with founding the Association of American Geographers. He is also remembered for his association with the Geological Society of America, where he served as the president. In 1919, he was awarded the Royal Geographical Society's Gold Medal.

 21 
Walter Munk
(US Geophysicist and Physical Oceanographer Known for his Pioneering Research on Ocean Currents)
Walter Munk
3
Birthdate: October 19, 1917
Sun Sign: Libra
Birthplace: Vienna, Austria
Died: February 8, 2019

US geophysicist and physical oceanographer Walter Munk is remembered for his path-breaking research on ocean currents and wave propagation. He had been part of the faculty of geophysics at the Scripps Institution of Oceanography. He was also a member of the elite panel of scientists, JASON.

 22 
Stephen Henry Schneider
(US Climate Change Expert and Professor)
Stephen Henry Schneider
3
Birthdate: February 11, 1945
Sun Sign: Aquarius
Birthplace: New York City, New York
Died: July 19, 2010

Leading US climate expert and Stanford biology professor Stephen Henry Schneider is remembered for his research on climate change and atmosphere. He also founded the journal Climatic Change. He was part of the UN’s Intergovernmental Panel on Climate Change, which shared the 2007 Nobel Peace Prize with Al Gore.

 23 
Florence Bascom
(The First Woman to Become a Geologist in the US)
Florence Bascom
5
Birthdate: July 14, 1862
Sun Sign: Cancer
Birthplace: Williamstown, Massachusetts, United States
Died: June 18, 1945

The first female geologist from the US, Florence Bascom had both a Bachelor of Arts and a Bachelor of Science from the University of Wisconsin and was the second American woman to get a PhD in geology. She was also the first female assistant geologist at the US Geological Survey.

 24 
James Dwight Dana
(US Mineralogist and Geologist Who Conducted Pioneering Research on Volcanoes, Corals, Continents, and Mountains)
James Dwight Dana
3
Birthdate: February 12, 1813
Sun Sign: Aquarius
Birthplace: Utica, New York, United States
Died: April 14, 1895

Copley Medal-winning US geologist and mineralogist James Dwight Dana is remembered for his path-breaking studies on topics such as mountain building, marine life, coral reefs, volcanic activity, and continents. A System of Mineralogy and Manual of Mineralogy are 2 of his iconic works, the latter of which became a standard text.

 25 
Ferdinand Vandiveer Hayden
(US Geologist Who Made Pioneering Research on the Rocky Mountains and the Great Plains)
Ferdinand Vandiveer Hayden
2
Birthdate: September 7, 1829
Sun Sign: Virgo
Birthplace: Westfield, Massachusetts, United States
Died: December 22, 1887

US geologist Ferdinand Vandiveer Hayden is remembered for his ground-breaking research on the Rocky Mountains and the Great Plains. He also served as a Union Army surgeon during the American Civil War and taught geology at the University of Pennsylvania. He also played a major role in the formation of the Yellowstone National Park.

 26 
Maurice Ewing
(US Geophysicist Who Made Pioneering Use of Seismic Methods to Study Ocean Floors)
Maurice Ewing
2
Birthdate: May 12, 1906
Sun Sign: Taurus
Birthplace: Lockney, Texas, United States
Died: May 4, 1974

US geophysicist Maurice Ewing conducted path-breaking research on ocean basins and sediments, using seismic methods. Apart from teaching geology at Columbia University, he also served as the director of the Lamont Geological Observatory. A Fellow of the Royal Society, he also received the National Medal of Science, among other awards.

 27 
Joseph LeConte
(US Physician, Geologist, and Professor Who Mostly Studied the Geology of California)
Joseph LeConte
0
Birthdate: February 26, 1823
Sun Sign: Pisces
Birthplace: Liberty County, Georgia
Died: July 6, 1901

US physician and geologist Joseph LeConte was associated with the University of California, Berkeley as a professor. A noted conservationist of the California region, too, he is remembered for his studies on the mountain ranges of the West, most prominently in and around Yosemite National Park.

 28 
Thomas Chrowder Chamberlin
(US Geologist and Educator Who Suggested the Planetesimal Hypothesis)
Thomas Chrowder Chamberlin
2
Birthdate: September 25, 1843
Sun Sign: Libra
Birthplace: Mattoon, Illinois, United States
Died: November 15, 1928

US geologist Thomas Chrowder Chamberlin proposed the theory of planetesimal hypothesis. Initially the chief geologist of the Wisconsin Geological Survey, he later joined the US Geological Survey. An educator, too, he was associated with the University of Chicago and the University of Wisconsin, Madison. He was also the founder-editor of The Journal of Geology.

 29 
Charles Steen
(US Geologist Who Discovered a Profitable Uranium Deposit in Utah)
Charles Steen
0
Birthdate: December 1, 1919
Sun Sign: Sagittarius
Birthplace: Texas, United States
Died: January 1, 2006

Charles Steen was one of Utah’s most prominent geologists and discovered the US’s largest deposit of high-grade uranium ore, worth $60 million after being fired from his geologist’s job in Indiana. His discovery led to a new mining era in the 1950s. His final years were spent in bankruptcy, after many failed business investments.

 30 
Grove Karl Gilbert
(One of the Most Influential Geologists of His Time)
Grove Karl Gilbert
2
Birthdate: May 6, 1843
Sun Sign: Taurus
Birthplace: Rochester, New York, United States
Died: May 1, 1918

Grove Karl Gilbert was an American geologist. Over the course of his career, Gilbert helped understand landscape evolution, river incision, erosion, and sedimentation and is thus regarded as one of the most important figures of geomorphology. One of the most influential geologists of his time, Grove Karl Gilbert was honored with the Wollaston Medal and Charles P. Daly Medal.

 31 
Robert S. Dietz
(American Marine Geologist Who Conducted Pioneering Research Concerning Seafloor Spreading)
Robert S. Dietz
2
Birthdate: September 14, 1914
Sun Sign: Virgo
Birthplace: Westfield, New Jersey, United States
Died: May 19, 1995

Robert S. Dietz was an American scientist, marine geologist, oceanographer, and geophysicist. He is best remembered for conducting pioneering research concerning seafloor spreading along with Harry Hammond Hess. Robert S. Dietz was also interested in meteorite impacts and is credited with discovering numerous impact craters, including the Sudbury Basin. 

 32 
William Henry Holmes
(US Explorer, Anthropologist, Archaeologist, and Geologist)
William Henry Holmes
2
Birthdate: December 1, 1846
Sun Sign: Sagittarius
Birthplace: Harrison County, Ohio, United States
Died: April 20, 1933

American explorer, anthropologist, and archaeologist William Henry Holmes was a pioneer of professional archaeology in the US. He was also a geologist and a scientific illustrator. He had been a curator at the Smithsonian Institution and had been the director of the National Gallery of Art.

 33 
Arthur Casagrande
(Civil engineer, Geotechnician)
Arthur Casagrande
0
Birthdate: August 28, 1902
Sun Sign: Virgo
Birthplace: Ajdovščina, Slovenia
Died: September 6, 1981

Arthur Casagrande was an American civil engineer best remembered for making significant contributions to the fields of geotechnical engineering and engineering geology during its infancy. Casagrande is also credited with influencing teaching programs at prestigious institutions like Harvard University during the 1930s. Several awards, such as the Arthur Casagrande Professional Development Award, have been named in his honor.

 34 
Charles Thomas Jackson
(American Scientist and Physician)
Charles Thomas Jackson
2
Birthdate: June 21, 1805
Sun Sign: Gemini
Birthplace: Plymouth, Massachusetts, United States
Died: August 28, 1880

Charles Thomas Jackson was an American scientist and physician. He was active in the fields of chemistry, medicine, geology, and mineralogy. Charles Thomas Jackson is best remembered for getting himself involved in numerous priority conflicts with other scientist and inventors. Among them were disputes over the discovery of the telegraph, guncotton, and the anesthetic effects of ether.

 35 
Clarence Dutton
(US Geologist and Seismologist Who Pioneered the Concept of Isostasy)
Clarence Dutton
2
Birthdate: May 15, 1841
Sun Sign: Taurus
Birthplace: Wallingford, Connecticut, United States
Died: January 4, 1912

US Army officer, geologist, and seismologist Clarence Dutton is best known for developing the concept of isostasy. He is also remembered for his vivid descriptions of the geology of Grand Canyon. He was a co-founder of the Cosmos Club and was part of the National Academy of Sciences.

 36 
William John McGee
(US Geologist, Anthropologist, and Ethnologist)
William John McGee
2
Birthdate: April 17, 1853
Sun Sign: Aries
Birthplace: Farley, Iowa, United States
Died: September 4, 1912

US geologist, ethnologist, and anthropologist William John McGee was associated with the US Geological Survey and the Bureau of American Ethnology. He was also a co-founder of the Geological Society of America and served the National Geographic Society as its president. California’s Mount McGee was named in his honor.

 37 
Athelstan Spilhaus
(South African-American Geophysicist, Oceanographer, and Meteorologist)
Athelstan Spilhaus
2
Birthdate: November 25, 1911
Sun Sign: Sagittarius
Birthplace: Cape Town, South Africa
Died: March 30, 1998

South African-American geophysicist, oceanographer, and meteorologist invented the bathythermograph to measure temperatures and depths of the sea. He also proposed the founding of the Sea Grant Colleges. Associated with the University of Minnesota, he planned the futuristic Minnesota Experimental City, though it never materialized.

 38 
Bruce C. Heezen
(American Geologist Who Worked With Oceanographic Cartographer Marie Tharp to Map the Mid-Atlantic Ridge)
Bruce C. Heezen
0
Birthdate: April 11, 1924
Sun Sign: Aries
Birthplace: Vinton, Iowa, United States
Died: June 21, 1977

Bruce C. Heezen was an American geologist best remembered for his work at Columbia University, where he joined forces with oceanographic cartographer Marie Tharp to map the Mid-Atlantic Ridge. In 1964, he was honored by the Woods Hole Oceanographic Institution with the Henry Bryant Bigelow Medal in Oceanography. In 1973, Bruce C. Heezen was awarded the prestigious Cullum Geographical Medal.

 39 
James Hall
(Geologist, Paleontologist)
James Hall
0
Birthdate: September 12, 1811
Sun Sign: Virgo
Birthplace: Hingham, Massachusetts, United States
Died: August 7, 1898

Best known for his contribution to the geosynclinal theory of mountain building, paleontologist and geologist James Hall had also taught at the Rensselaer Polytechnic Institute and worked at the Geological Survey of New York. The National Academy of Sciences member had also penned works such as The Paleontology of New York.

 40 
Matilda Coxe Stevenson
(US Ethnologist and Pioneering Female Figure in Science)
Matilda Coxe Stevenson
1
Birthdate: May 12, 1849
Sun Sign: Taurus
Birthplace: San Augustine, Texas, United States
Died: June 24, 1915

US ethnologist Matilda Coxe Stevenson was a pioneering female figure in the scientific world. She was also the first woman to work for the Bureau of American Ethnology. She was known for her research on the indigenous Zuni community. She also helped establish the Women's Anthropological Society in Washington DC.

 41 
David S. McKay
(American Astrobiologist Best Known for Claiming to Have Found Evidence of Microscopic Life on a Martian Meteorite)
David S. McKay
3
Birthdate: September 25, 1936
Sun Sign: Libra
Birthplace: Titusville, Pennsylvania, United States
Died: February 20, 2013

David S. McKay was an astrobiologist who provided geology training to the first men to walk on the moon during the Apollo program in the 1960s. He worked as chief scientist for astrobiology at the Johnson Space Center. He extensively studied lunar dust and wrote over 200 papers on the topic. The asteroid 6111 Davemckay is named in his honor.  

 42 
Raphael Pumpelly
(US Geologist and Explorer Who Discovered Huge Copper and Iron Deposits Near Lake Superior)
Raphael Pumpelly
1
Birthdate: September 8, 1837
Sun Sign: Virgo
Birthplace: Owego, New York, United States
Died: August 10, 1923

US geologist and explorer Raphael Pumpelly made a revolutionary discovery of copper and iron ore deposits in the Lake Superior region. He had also studied coal mines in China and served as Harvard University’s first professor of mining. He is also known for his works on the geology of the Green Mountains.

 43 
Laurence McKinley Gould
(US Geologist, Explorer, and Educator Who Had Been to Both the Arctic and the Antarctic)
Laurence McKinley Gould
1
Birthdate: August 22, 1896
Sun Sign: Leo
Birthplace: Michigan, United States
Died: June 21, 1995

US geologist and polar explorer Laurence McKinley Gould had been to both the Arctic and the Antarctic. He was associated with Carleton College, first as a professor, then as a geology chairperson, and finally as its president. He also taught at the University of Arizona for over a decade.

 44 
Nathaniel Shaler
(American Paleontologist and Geologist Known for His Studies of Crustal Tectonics and Earth History)
Nathaniel Shaler
1
Birthdate: February 20, 1841
Sun Sign: Pisces
Birthplace: Newport, Kentucky, United States
Died: April 10, 1906

Nathaniel Shaler was an American geologist and paleontologist. He is best remembered for his writings on the scientific and theological implications of the theory of evolution. Shaler is also remembered for his association with Harvard University where he served as Dean of Sciences. He was also regarded as one of the most popular teachers in the university.

 45 
Amadeus William Grabau
(American Geologist and Paleontologist Known for His Works on Paleoecology and Chinese Stratigraphy)
Amadeus William Grabau
1
Birthdate: January 9, 1870
Sun Sign: Capricorn
Birthplace: Cedarburg, Wisconsin, United States
Died: March 20, 1946

Born to German immigrants in New York, Amadeus William Grabau had initially apprenticed as a bookbinder and later studied geology at MIT and Harvard. His research on stratigraphy and paleoecology in China earned him the title of the father of Chinese geology. He has also worked for the Japanese Army.

 46 
Brent Dalrymple
(Geologist)
Brent Dalrymple
0
Birthdate: May 9, 1937
Sun Sign: Taurus
Birthplace: Alhambra, California
 47 
Joseph Barrell
(American Geologist Who is Known for His Theories on the Origins of the Earth and Sedimentary Rocks)
Joseph Barrell
1
Birthdate: December 15, 1869
Sun Sign: Sagittarius
Birthplace: New Providence, New Jersey, United States
Died: May 4, 1919

Joseph Barrell was an American geologist best remembered for his theories on the origins of the Earth and sedimentary rocks. He is also remembered for his work with the US Geological Survey. Joseph Barrell also worked as an educator; he received an invitation from Yale University in 1903 to come up with a course in structural geology.

 48 
Meyer Rubin
(US Geologist and Geochemist Known for His Research on 'Radiocarbon Dating')
Meyer Rubin
1
Birthdate: February 17, 1924
Sun Sign: Aquarius
Birthplace: Chicago Chicago, Illinois, United States
Died: May 2, 2020

US geologist and geochemist Meyer Rubin was associated with the US Geological Survey and made major contributions to fields such as radiocarbon dating, climate science, and mass spectrometry. He also predicted the Mount St. Helens eruption of 1980. He spent his later years participating in kayaking contests and died of COVID-19 in 2020.

 49 
Waldemar Lindgren
(Co-Founder of Modern Economic Geology)
Waldemar Lindgren
1
Birthdate: February 14, 1860
Sun Sign: Aquarius
Birthplace: Kalmar, Sweden
Died: November 3, 1939

Waldemar Lindgren was a Swedish-American geologist best remembered for co-founding the modern economic geology. He was associated with the U.S. Geological Survey for 31 years, during which he worked on ore deposits in the Rockies. Waldemar Lindgren also served as the president of the Society of Economic Geologists as well as the Geological Society of America.

 50 
Curtis F. Marbut
(US Geologist Who Developed an International Soil Classification System)
Curtis F. Marbut
1
Birthdate: 1863 AD
Birthplace: Vernona, Missouri, United States
Died: 1935 AD

US geologist Curtis F. Marbut had been the director of the US Department of Agriculture’s Soil Survey Division. He is remembered for his contribution to the development of an international soil classification system. He also taught at the University of Missouri and translated an iconic Russian work on soil and their development.