Rachel Carson was a conservationist, marine biologist, and author. She is credited with authoring an influential book titled Silent Spring, which played a significant role in advancing the global environmental movement. Carson is also remembered for her book, The Sea Around Us, which earned her a U.S. National Book Award. She was posthumously honored with the Presidential Medal of Freedom.
E. O. Wilson is an American naturalist, biologist, and writer. An influential biologist, Wilson has earned several nicknames, such as The Darwin of the 21st century. He has also been referred to as the father of biodiversity and the father of sociobiology. In 1995, he was ranked among the most influential American personalities by Time magazine.
Karl Landsteiner was a physician, biologist, and immunologist. He is credited with distinguishing the main blood groups as well as identifying the Rhesus factor. He is also credited with discovering the polio virus along with Erwin Popper and Constantin Levaditi. He won the Aronson Prize in 1926. In 1930, Landsteiner was honored with the Nobel Prize in Physiology or Medicine.
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.
Lynn Margulis was an evolutionary theorist, biologist, educator, and science author. She was a modern proponent of the significance of symbiosis in evolution. Along with British chemist James Lovelock, Margulis was the co-developer of the Gaia hypothesis. She was a strong critic of neo-Darwinism. In 2001, she was honored with the Golden Plate Award of the American Academy of Achievement.
Eugene Sledge was a US Marine, author, and university professor. He is remembered for chronicling his Second World War combat experiences in a memoir titled With the Old Breed, which was used as source material for a television documentary miniseries titled The War. The memoir also inspired the 2010 HBO miniseries, The Pacific, where Sledge was played by Joseph Mazzello.
Alfred Kinsey was an American biologist, sexologist, and professor of zoology and entomology. He is credited with founding the Indiana University's Institute for Sex Research in 1947. Kinsey's research on human sexuality and his other works have influenced cultural and social values in the USA as well as internationally. In 2012, Kinsey was inducted into Chicago's Legacy Walk.
Stephen Jay Gould was an American evolutionary biologist, paleontologist, and historian of science. One of the most widely read and influential authors of popular science, Gould was named a Living Legend in April 2000 by the US Library of Congress. He is also counted among the most frequently cited scientists, as far as evolutionary theory is concerned.
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.
Thomas Hunt Morgan was an evolutionary biologist, geneticist, and embryologist. He won the Nobel Prize in Physiology or Medicine in 1933. He worked extensively on the role that the chromosome plays in heredity and demonstrated that genes are carried on chromosomes. In his later career, he established the division of biology at the California Institute of Technology.
11 Craig Venter
Craig Venter biotechnologist and businessman best known for leading the first draft sequence of the human genome. He is the founder of Celera Genomics and the Institute for Genomic Research (TIGR) and the co-founder of Human Longevity Inc. He received the Dan David Prize for his contribution to genome research and is a member of the American Philosophical Society.
Nettie Stevens was an American geneticist. She is credited with discovering sex chromosomes which later came to be known as the X and Y chromosomes. In 1994, Nettie Stevens was inducted into the National Women's Hall of Fame.
Barbara McClintock was a scientist and cytogeneticist who received the 1983 Nobel Prize in Physiology or Medicine. She earned her Ph.D. in botany from Cornell University and began her lifelong work in the development of maize cytogenetics. She eventually gained recognition as among the best in the field and was honored with several prestigious awards.
14 Nell Newman
Nell Newman is a biologist, environmentalist, and former child actress. An ardent supporter of sustainable agriculture, Newman is credited with founding a pet food and organic food production company called Newman's Own. For her environmental leadership, Newman was honored with the Rachel Carson Award in 2014. In 2017, she was made an inductee of the Specialty Food Hall of Fame.
Bruce Edwards Ivins was a microbiologist and vaccinologist. He served as the senior biodefense researcher at the United States Army Medical Research Institute of Infectious Diseases (USAMRIID). He was the suspected perpetrator of the 2001 anthrax attacks and died in an apparent suicide after realizing that he was likely to face criminal charges for his alleged role in the attacks.
Kathleen Rubins is a microbiologist and NASA astronaut. In 2016, she became the 60th woman to fly in space when she launched on a Russian Soyuz spacecraft. She traveled to the International Space Station and returned to Earth after a few months. She has spent a total of 300 days, 1 hour, and 31 minutes in space.
17 Carl Woese
Carl Woese was an American biophysicist and microbiologist. He is credited with originating the RNA world hypothesis as well as pioneering a technique that revolutionized microbiology. In 1992, he was awarded microbiology's highest honor, Leeuwenhoek Medal. In 1995, he was honored with the Selman A. Waksman Award in Microbiology. Carl Woese received the National Medal of Science in 2000.
Theodosius Dobzhansky was a Ukrainian-American geneticist and evolutionary biologist. He played a key role in shaping modern synthesis in the field of evolutionary biology. His 1937 book, Genetics and the Origin of Species, is a seminal work on modern synthesis. He was the recipient of several awards, including the US National Medal of Science and the Franklin Medal.
Paul R. Ehrlich is a biologist best known for the 1968 book The Population Bomb, which he co-authored with his wife, Anne. He kindled controversy for his views on the consequences of population growth in a world with limited resources. He has been called an "irrepressible doomster” by his critics, while his supporters credit him for spreading concern about overpopulation.
20 Paul Stamets
Paul Stamets is an American entrepreneur and mycologist. An ardent supporter of mycoremediation and medicinal fungi, Stamets sells various mushroom products. In 2014, he was honored by the American Association for the Advancement of Science with an Invention Ambassador award. In 2019, he contributed immensely to the creation of a documentary film titled Fantastic Fungi.
Nobel Prize-winning Australian-American biochemist and molecular biologist Elizabeth Blackburn is best known for co-discovering the enzyme telomerase. She was allegedly removed from the American President's Council on Bioethics over her support for stem cell research, which went against the government. She has honorary doctorate degrees from Harvard, Yale, and Princeton.
22 Bruce Lipton
Bruce Lipton is a developmental biologist. He is best known as the author of the book The Biology of Belief, in which he claims that beliefs control human biology rather than DNA and inheritance. He earned a Ph.D. in developmental biology from the University of Virginia and began his academic career. He received the 2009 Goi Peace Award.
David Baltimore is an American university administrator and biologist. He is currently serving as President Emeritus at the California Institute of Technology (Caltech). He won the 1975 Nobel Prize for Physiology or Medicine for his discoveries concerning the interaction between the genetic material of the cell and tumor viruses. In 1999, he was honored with the National Medal of Science.
24 Ernst Mayr
Ernst Mayr was a renowned taxonomist, ornithologist, tropical explorer, historian of science, and philosopher of biology. He was also one of the leading evolutionary biologists of the 20th century. His work contributed immensely to the progression of the biological species concept. Ernst Mayr is also credited with originating the modern philosophy of biology, especially the part concerning evolutionary biology.
Maurice Hilleman was an American microbiologist who developed more than 40 vaccines. His vaccines save almost eight million lives every year and he is regarded as one of the most important vaccinologists of all time. He also played a major role in the discovery of antigenic drift and shift. In 1988, he was honored with the National Medal of Science.
26 Jeff Corwin
Jeff Corwin is a biologist and wildlife conservationist. He is most popular for hosting TV shows on nature, such as Disney Channel's Going Wild With Jeff Corwin and The Jeff Corwin Experience on Animal Planet. He studied at the University of Massachusetts Amherst. He has been involved in conservation since his student days and lectures on wildlife, ecology, and conservation.
Ernest Everett Just was an African-American biologist and academic. He is credited with recognizing the fundamental role of the cell surface in the development of organisms. As a black boy growing up in the late 19th century, he had to face enormous challenges before he could establish himself in his career. He co-founded the Omega Psi Phi Fraternity, Inc.
Michael Levitt is a biophysicist who has been serving as a Stanford University professor of structural biology since 1987. Along with Arieh Warshel and Martin Karplus, Levitt received the Nobel Prize in Chemistry in 2013. He has also received several other awards, including the DeLano Award for Computational Biosciences and was inducted into the National Academy of Sciences in 2002.
Although best known for his appearances on the ABC reality dating show The Bachelor, Andrew James Baldwin is much more than just a television personality. A Medical Officer with US Navy, he is known for his humanitarian works and enthusiasm for triathlon, being named to the All-Navy triathlon team five times, besides competing internationally in numerous Half-Ironman and Ironman events.
Linda B. Buck is an American biologist who received the 2004 Nobel Prize in Physiology or Medicine for her work on olfactory receptors; she shared the award with molecular biologist Richard Axel. An important and influential biologist, Linda has also won several other awards, such as the Takasago Award, Unilever Science Award, Lewis S. Rosenstiel Award, and R.H. Wright Award.
Karl Patterson Schmidt was a herpetologist. He studied biology and geology at Cornell University and realized his keen interest in herpetology. He later worked as a scientific assistant in herpetology at the American Museum of Natural History. He undertook many collecting expeditions for the Field Museum of Natural History in Chicago. He died after being bitten by a boomslang snake.
32 PZ Myers
PZ Myers is a biologist known for founding the Pharyngula science blog. His blog is one of the top-ranked blogs by a scientist. A "science geek" from an early age, he obtained a Ph.D. in biology from the University of Oregon. As an academician, he has taught at the University of Oregon, the University of Utah, and Temple University.
Best known as the author of the Pulitzer Prize-winning book The Emperor of All Maladies and the New York Times bestseller The Gene, Siddhartha Mukherjee is an Indian-American oncologist and a Columbia University professor. He is also a former Rhodes scholar, a Padma Shri winner, and a Stanford alumnus.
Leonard Adleman is a computer scientist best known as a co-creator of the RSA encryption algorithm. He was honored with the 2002 Turing Award, often called the Nobel prize of Computer science, for this work. He is also a pioneer in the field of DNA computing and one of the original discoverers of the Adleman–Pomerance–Rumely primality test.
Stanley Miller was an American chemist best remembered for conducting several important experiments in abiogenesis. His 1952 Miller–Urey experiment proved that inorganic precursors could be used to synthesize complex organic molecules. Often referred to as the father of prebiotic chemistry, Miller was honored with the prestigious Oparin Medal in 1983.
Harold E. Varmus is an American scientist who shared the 1989 Nobel Prize in Physiology or Medicine with J. Michael Bishop for their discovery of the retroviral oncogenes' cellular origin. From 1993 to 1999, he served as the director of the National Institutes of Health. From 2010 to 2015, he served as the director of the National Cancer Institute.
Mario Capecchi is a molecular geneticist who received the 2007 Nobel Prize in Physiology or Medicine along with Oliver Smithies and Martin Evans. They received the prize for discovering a method to create a knockout mouse, a genetically modified mouse in which a certain gene is turned off for experimental purposes. In 2001, Capecchi received the National Medal of Science.
Carol W. Greider is a molecular biologist who discovered the enzyme telomerase in 1984. Her discovery was honored several years later when she received the 2009 Nobel Prize for Physiology or Medicine, along with Blackburn and Jack W. Szostak for their work on telomeres. The trio also shared the Albert Lasker Award for Basic Medical Research for the same work.
Jeffrey C. Hall is an American chronobiologist and geneticist, currently serving as Brandeis University's Professor Emeritus of Biology. He is credited with conducting extensive research on the behavior and neurology of Drosophila melanogaster (fruit fly), which revealed certain mechanisms of the circadian clocks. He received the 2017 Nobel Prize in Physiology or Medicine along with Michael Rosbash and Michael Young.
Robert Trivers is an American sociobiologist and evolutionary biologist. He is often counted among the most influential and important evolutionary theorists alive. Trivers' fundamental analysis of social evolution earned him the Crafoord Prize in Biosciences. A former faculty member of Harvard University and the University of California, Santa Cruz, Trivers is currently serving as a faculty member at Rutgers University.
Nobel Prize-winning Canadian-American biochemist and geneticist Jack W. Szostak revolutionized medical science with his research on the manipulation of genes. The Cornell alumnus is credited with creating the first yeast artificial chromosome. He has also taught at the Harvard Medical School. In spite of being Polish, he doesn’t speak the language.
Co-winner of the 2013 Nobel Prize for Physiology or Medicine, American cell biologist Randy Schekman is best known for his "ground-breaking work on cell membrane vesicle trafficking, a major transport system in our cells." Author of several books on Cell and Developmental Biology, he has also served as the editor of several scientific magazines.
Michael Rosbash is an American chronobiologist and geneticist, currently serving as a researcher and professor at Brandeis University. In 2017, he received the Nobel Prize in Physiology or Medicine along with Jeffrey C. Hall and Michael W. Young for their discoveries of the controlling mechanisms of the circadian cycle. Rosbash has also received many other awards like the Massry Prize.
Massimo Pigliucci is an academician currently serving as a professor of philosophy at the City College of New York. A staunch critic of pseudoscience and creationism, he advocates for secularism and science education. He was once the co-host of the Rationally Speaking Podcast. He often writes on topics, such as climate change denial, pseudoscience, intelligent design, and philosophy.
Michael W. Young is a biologist and geneticist. He has spent several years studying genetically controlled patterns of sleep and wakefulness within the fly species Drosophila melanogaster. Along with Jeffrey C. Hall and Michael Rosbash, he was awarded the 2017 Nobel Prize in Physiology or Medicine. His wife, Laurel Eckhardt, is also a biologist and the couple often collaborates professionally.
Barry Commoner was a cellular biologist. A leading ecologist of his era, he was one of the founders of the modern environmental movement. He opposed nuclear weapons testing and helped bring about the Nuclear Test Ban Treaty of 1963. He was a recipient of the 1970 International Humanist Award. As a political activist, he founded the Citizens Party in 1980.
Richard Evans Schultes was a biologist con whoducted numerous studies on the uses of plants by indigenous peoples and is considered the father of modern ethnobotany. In collaboration with chemists, he worked on entheogenic or hallucinogenic plants found in the Amazon jungle. He was one of the first Westerners to alert the world about the destruction of the Amazon rainforest.
Charles Davenport was a prominent biologist and eugenicist who played an influential role in the American eugenics movement. He earned a Ph.D. in biology and ventured into an academic career. He pioneered new quantitative standards of taxonomy and earned much prominence as a biologist. He later founded the Eugenics Record Office and the International Federation of Eugenics Organizations (IFEO).