Male Biologists

This ranking is based on an algorithm that combines various factors, including the votes of our users and search trends on the internet.

Vote for Your Favourite Male Biologists

 1 
Richard Dawkins
(Evolutionary Biologist)

Richard Dawkins
10
Birthdate: March 26, 1941
Sun Sign: Aries
Birthplace: Nairobi, Kenya

Richard Dawkins is a British ethologist, author, and evolutionary biologist. He first achieved popularity after publishing his book, The Selfish Gene, which is credited with popularizing the gene selection theory. The book is also credited with introducing the term meme. In 2006, he established the Richard Dawkins Foundation for Reason and Science to promote secularism and scientific literacy.

 2 
Alexander Fleming
(Physician and Microbiologist Who Discovered ‘Penicillin’ World’s First Broadly Effective Antibiotic Substance)

Alexander Fleming
8
Birthdate: August 6, 1881
Sun Sign: Leo
Birthplace: Darvel, East Ayrshire, Scotland
Died: March 11, 1955

Alexander Fleming was a Scottish microbiologist and physician. He is credited with discovering penicillin, the world's first effective antibiotic substance; a discovery that changed the course of history. He also discovered lysozyme, an antimicrobial enzyme which forms part of the innate immune system. In 1999, Fleming was named in Time magazine's 100 Most Important People of the 20th century list.

 3 
Carl Linnaeus
(Botanist)

Carl Linnaeus
6
Birthdate: May 23, 1707
Sun Sign: Gemini
Birthplace: Linnés Råshults Stiftelse, Älmhult Municipality, Sweden
Died: January 10, 1778

Swedish botanist and lecturer Carl Linnaeus, who established the concept of binomial nomenclature, or the system of naming organisms, is also known as the father of modern taxonomy. His system of classification is known as Linnaean taxonomy. He was the first to include humans and apes under the header Anthropomorpha.

 4 
Robert Hooke
(Philosopher)

Robert Hooke
4
Birthdate: July 28, 1635
Sun Sign: Leo
Birthplace: Freshwater, Isle of Wight
Died: March 3, 1703

Scientist Robert Hooke, also called England's Leonardo, initially gained recognition as an architect, conducting surveys following the Great Fire of London. He also taught geometry and was part of the Royal Society. He assisted Robert Boyle and eventually developed his own microscope, thus becoming the first to visualize micro-organisms.

 5 
Francis Crick
(Co-discoverer of the Structure of the DNA Molecule, Nobel Prize Winner)

Francis Crick
4
Birthdate: June 8, 1916
Sun Sign: Gemini
Birthplace: Weston Favell, Northamptonshire, England
Died: July 28, 2004

Nobel Prize-winning British biophysicist Francis Crick is best known for his ground-breaking work to determine the structure of the DNA, along with James Watson, Maurice Wilkins, and Rosalind Franklin. He taught at various institutes, such as the Salk Institute, and was also awarded the Order of Merit.

 6 
Alfred Russel Wallace
(Naturalist, Explorer, Geographer, Anthropologist and Biologist)

Alfred Russel Wallace
6
Birthdate: January 8, 1823
Sun Sign: Capricorn
Birthplace: Llanbadoc
Died: November 7, 1913

British naturalist Alfred Russel Wallace is largely remembered for his theory of evolution through natural selection, which inspired Charles Darwin’s studies. He began his career as a surveyor’s apprentice and later introduced concepts such as reinforcement in animals, also known as the Wallace effect. He was awarded the Order of Merit.

 7 
E. O. Wilson
(Biologist)

E. O. Wilson
4
Birthdate: June 10, 1929
Sun Sign: Gemini
Birthplace: Birmingham, Alabama, U.S.
Died: December 26, 2021

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.

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 8 
Karl Landsteiner
(Physician)

Karl Landsteiner
6
Birthdate: June 14, 1868
Sun Sign: Gemini
Birthplace: Vienna
Died: June 26, 1943

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.

 9 
Charles Darwin
(Naturalist known for His Contributions to Evolutionary Biology)

Charles Darwin
6
Birthdate: February 12, 1809
Sun Sign: Aquarius
Birthplace: The Mount House, Shrewsbury, England
Died: April 19, 1882

Widely regarded as one of the most influential personalities in the history of mankind, Charles Darwin was an English biologist, naturalist, and geologist. He is credited with publishing the Theory of Evolution, which explains the evolution of life from a unicellular organism to human beings. A prolific writer, Charles Darwin also wrote important books on plants and barnacles.

 10 
David Attenborough
(Broadcaster)

David Attenborough
4
Birthdate: May 8, 1926
Sun Sign: Taurus
Birthplace: Isleworth, England

Widely regarded as a national treasure in the United Kingdom, Sir David Attenborough is the only person to have received BAFTAs for TV shows meant for different television sets, such as black and white, color, 3D, HD, and 4K. In 2002, he was mentioned in BBC's 100 Greatest Britons list.

 11 
Theodor Schwann
(Physiologist)

Theodor Schwann
3
Birthdate: December 7, 1810
Sun Sign: Sagittarius
Birthplace: Neuss, Germany
Died: January 11, 1882

Theodor Schwann was a German physiologist and physician best remembered for his important contributions to biology. He is credited with discovering the Schwann cells, which is named after him. He is also credited with discovering pepsin and the organic nature of yeast. Theodor Schwann also invented the term metabolism.

 12 

Jagadish Chandra Bose
4
Birthdate: November 30, 1858
Sun Sign: Sagittarius
Birthplace: Bikrampur, Bengal Presidency, British India (Now Munshiganj District of Bangladesh)
Died: November 23, 1937

Indian physicist, biologist, and plant physiologist Jagadish Chandra Bose revolutionized science with his research on how plants and animals react to external stimuli. He founded the Bose Institute, made pioneering contribution to the field of radio and microwave optics, and also penned one of the first works of Bengali science fiction.

 13 
Gregor Mendel
(Know for Creating the science of Genetics)

Gregor Mendel
4
Birthdate: July 20, 1822
Sun Sign: Cancer
Birthplace: Hynčice, Vražné, Czechia
Died: January 6, 1884

A scientist, meteorologist, mathematician, and biologist, Gregor Mendel is considered the founder of the modern science of genetics. He conducted a series of experiments on pea plants between 1856 and 1863, establishing many rules of heredity. Besides his work on pea plants, he also described novel plant species and conducted experiments with hawkweed and honeybees.

 14 
J.B.S. Haldane
(British Scientist Who Developed the Mathematical Theory of Population Genetics and One of the Founders of ‘Neo-Darwinism’)

J.B.S. Haldane
3
Birthdate: November 5, 1892
Sun Sign: Scorpio
Birthplace: Oxford, England
Died: December 1, 1964

British geneticist J.B.S. Haldane is remembered for his pioneering use of statistics in biology. A proponent of neo-Darwinism, he was the son of physiologist John Scott Haldane and had begun assisting his father at age 8. He later joined the British Communist Party and also moved to India.

 15 

Antonie van Leeuwenhoek
4
Birthdate: October 24, 1632
Sun Sign: Scorpio
Birthplace: Delft, Netherlands
Died: August 26, 1723

Seventeenth-century Dutch scientist Antonie van Leeuwenhoek, also known as the Father of Microbiology, is remembered as a pioneer of microscopy. His contribution to microbiology included the discovery of spermatozoa, bacteria, and muscle fibers. Though he had not authored any book, his letters to the Royal Society were later published.

 16 
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.

 17 
Louis Agassiz
(Geologist)

Louis Agassiz
3
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.  

 18 
Thomas Hunt Morgan
(Geneticist)

Thomas Hunt Morgan
3
Birthdate: September 25, 1866
Sun Sign: Libra
Birthplace: Lexington
Died: December 4, 1945

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. 

 19 
Edward Jenner
(Physicians)

Edward Jenner
4
Birthdate: May 17, 1749
Sun Sign: Taurus
Birthplace: Berkeley, England
Died: January 26, 1823

Edward Jenner was an English scientist and physician. Referred to as the father of immunology, Jenner is credited with pioneering the concept of vaccines. Jenner's work laid the foundation for subsequent discoveries in the field of immunology; his work is believed to have saved more lives than any other work. In 2002, Jenner was included in BBC’s Greatest Britons list.

 20 
Robert Koch
(Physician)

Robert Koch
4
Birthdate: December 11, 1843
Sun Sign: Sagittarius
Birthplace: Clausthal-Zellerfeld, Germany
Died: May 27, 1910

Robert Koch was a German microbiologist and physician. One of the prominent co-founders of modern bacteriology, Koch is credited with creating and improving laboratory techniques and technologies in the field of microbiology. He is also credited with making important discoveries in public health. In 1905, Robert Koch won the Nobel Prize in Physiology or Medicine for his research on tuberculosis.

 21 
Craig Venter
(Biotechnologist known for leading the first draft sequence of the human genomeand assembled the first team to transfect a cell with a synthetic chromosome)

Craig Venter
4
Birthdate: October 14, 1946
Sun Sign: Libra
Birthplace: Salt Lake City, Utah, United States

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. 

 22 
Jeremy Wade
(Television presenter, Writer)

Jeremy Wade
4
Birthdate: March 23, 1956
Sun Sign: Aries
Birthplace: Ipswich, Suffolk, England

Jeremy Wade is a British TV presenter, biologist, and freshwater detective. He is best known for his TV series River Monsters, Mighty Rivers, and Dark Waters. He attended the University of Kent and began his career as a biology teacher. He made his TV debut by chance and didn’t take long to become a popular TV presenter. 

 23 
Galen
(Physician)

Galen
4
Birthdate: 0130 AD
Birthplace: Pergamon, Turkey
Died: 0200 AD

Galen was a Greek physician, philosopher, and surgeon in the Roman Empire. Regarded as one of the most proficient medical researchers in ancient history, Galen influenced the growth of several scientific disciplines, such as neurology, pharmacology, pathology, physiology, and anatomy. Thanks to the translation of his works into Arabic, Galen's approach to medicine remains influential in the Islamic world.

 24 
Herbert Spencer
(Philosopher and Sociologist Known for His Hypothesis of ‘Social Darwinism’ and the Expression 'Survival of the Fittest')

Herbert Spencer
4
Birthdate: April 27, 1820
Sun Sign: Taurus
Birthplace: Derby, Derbyshire, England
Died: December 8, 1903

Herbert Spencer was the man behind the expression “survival of the fittest,” after reading Charles Darwin's iconic work On the Origin of Species. The British anthropologist, sociologist, and philosopher introduced the concept of Social Darwinism, which applied the theory of evolution to societies and social classes.

 25 
Eugene Sledge
(Biologist, Soldier, Academic, University teacher, Writer)

Eugene Sledge
4
Birthdate: November 4, 1923
Sun Sign: Scorpio
Birthplace: Mobile
Died: March 3, 2001

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.

 26 
Rudolf Virchow
(The Father of Modern Pathology' & the Founder of 'Social Medicine')

Rudolf Virchow
4
Birthdate: October 13, 1821
Sun Sign: Libra
Birthplace: Swidwin, Poland
Died: September 5, 1902

Rudolf Virchow was a German physician, pathologist, anthropologist, biologist, prehistorian, editor, writer, and politician. Nicknamed the Pope of medicine by his colleagues, Virchow is credited with founding the field of social medicine. He is also widely regarded as the father of modern pathology.  Rudolf Virchow was the first person to name diseases, such as thrombosis, leukemia, ochronosis, embolism, and chordoma.

 27 
Alfred Kinsey
(Biologist)

Alfred Kinsey
4
Birthdate: June 23, 1894
Sun Sign: Cancer
Birthplace: Hoboken, New Jersey, United States
Died: August 25, 1956

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.

 28 
Stephen Jay Gould
(Paleontologist and Evolutionary Biologist Known for His 'Theory of Punctuated Equilibrium' & Book ‘The Mismeasure of Man’)

Stephen Jay Gould
4
Birthdate: September 10, 1941
Sun Sign: Virgo
Birthplace: Bayside, New York, United States
Died: May 20, 2002

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.

 29 
Paul Ehrlich
(Scientist)

Paul Ehrlich
3
Birthdate: March 14, 1854
Sun Sign: Pisces
Birthplace: Strzelin, Poland
Died: August 20, 1915

German scientist Paul Ehrlich is remembered for his contribution to immunology, which also won him a Nobel Prize. Known as the pioneer of chemotherapy, he also discovered the first-known treatment of syphilis. Born into a business family, he was introduced to the method of studying cells by his pathologist uncle.

 30 
Jean-Baptiste Lamarck
(Naturalist and Biologist Best Known for Proposing that Acquired Characteristics can be Inherited.)

Jean-Baptiste Lamarck
4
Birthdate: August 1, 1744
Sun Sign: Leo
Birthplace: Bazentin, France
Died: December 18, 1829

French biologist Jean-Baptiste Lamarck acquired his love for plants while serving as a soldier in the French army. Following an injury, he quit his military career but retained his love for botany. He later taught zoology, studied the classification of invertebrates, and also coined the term biology.

 31 

Thomas Henry Huxley
4
Birthdate: May 4, 1825
Sun Sign: Taurus
Birthplace: Ealing, London, England
Died: June 29, 1895

Thomas Henry Huxley was an English biologist and anthropologist. He specialized in comparative anatomy and was a proponent of Charles Darwin's theory of evolution. Despite having little formal schooling, he went on to become one of the finest comparative anatomists of the 19th century. He was the chair of natural history at the Royal School of Mines for 31 years. 

 32 
Oswald Avery
(Biologist, Physician, Geneticist)

Oswald Avery
5
Birthdate: October 21, 1877
Sun Sign: Libra
Birthplace: Halifax
Died: February 20, 1955

A pioneer of molecular biology, Oswald Avery revolutionized science with his research on the chemical processes involved in immunology. The Canadian-American bacteriologist initially aspired to be a musician. He later proved that DNA was the basis of heredity. Though nominated for the Nobel Prize multiple times, he never won it.

 33 
Carl Woese
(American microbiologist)

Carl Woese
3
Birthdate: July 15, 1928
Sun Sign: Cancer
Birthplace: Syracuse, New York
Died: December 30, 2012

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.

 34 
Ronald Fisher
(Statistician)

Ronald Fisher
4
Birthdate: February 17, 1890
Sun Sign: Aquarius
Birthplace: East Finchley, London, England
Died: July 29, 1962

Ronald Fisher was a British polymath, statistician, geneticist, mathematician, and academic. He is credited to have single-handedly created the foundations for modern statistical science. He made important contributions to the field of genetics and is known as one of the three principal founders of population genetics. He was elected to the Royal Society in 1929. 

 35 

Theodosius Dobzhansky
3
Birthdate: January 24, 1900
Sun Sign: Aquarius
Birthplace: Nemyriv, Ukraine
Died: December 18, 1975

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.  

 36 
Trofim Lysenko
(Experimenter)

Trofim Lysenko
4
Birthdate: September 29, 1898
Sun Sign: Libra
Birthplace: Karlivka
Died: November 20, 1976

Trofim Lysenko was a Soviet biologist and agronomist. Lysenko was one of the most influential supporters of Lamarckism. He also condemned Mendelian genetics and supported Lysenkoism, a political campaign that rejected natural selection. Lysenko used his political power to imprison his critics. Several Soviet scientists, including Nikolai Vavilov, who failed to renounce genetics were either imprisoned or killed.

 37 
Bruce Edwards Ivins
(Biologist, Scientist, Circus performer, Politician)

Bruce Edwards Ivins
4
Birthdate: April 22, 1946
Sun Sign: Taurus
Birthplace: Lebanon
Died: July 29, 2008

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. 

 38 
James Lovelock
(Biologist, Chemist, University teacher, Mythographer)

James Lovelock
4
Birthdate: July 26, 1919
Sun Sign: Leo
Birthplace: Letchworth

Renowned James Lovelock is best known for propagating the Gaia hypothesis, which states that every living being on planet Earth is part of a single self-regulating superorganism. He is also known for his long association with NIMR, London, and Harvard University and has over 50 patents under his name.

 39 

Marcello Malpighi
3
Birthdate: March 10, 1628
Sun Sign: Pisces
Birthplace: Crevalcore
Died: September 30, 1694

Marcello Malpighi was forced to take up grammatical studies by his father but later earned doctorates in philosophy and medicine. Malpighi revolutionized medical science by discovering things such as taste buds, red blood cells, and the pulmonary and capillary network connecting veins and arteries. Many physiological features bear his name.

 40 
Hans Christian Gram
(Former bacteriologist noted for his development of the Gram stain)

Hans Christian Gram
3
Birthdate: September 13, 1853
Sun Sign: Virgo
Birthplace: Copenhagen, Denmark
Died: November 14, 1938

Hans Christian Gram was a Danish bacteriologist best remembered for developing a technique called Gram stain, which is still used today to classify bacteria. He achieved international recognition after developing the Gram stain technique. Hans Christian Gram also served as a professor at the University of Copenhagen.

 41 
Theophrastus
(Plant biologist)

Theophrastus
4
Birthdate: 0371 BC
Birthplace: Eresos
Died: 0287 BC

Best known for his works Historia Plantarum, or Enquiry into Plants, and Plant Explanations, botanist Theophrastus hailed from Lesbos in Greece. Acquainted with Plato and Aristotle, he ruled the Peripatetic school for over 3 decades. He has also penned works on metaphysics, history, grammar, ethics, and physics.

 42 
Aubrey de Grey
(Biologist)

Aubrey de Grey
8
Birthdate: April 20, 1963
Sun Sign: Taurus
Birthplace: London

 43 
Siddhartha Mukherjee
(Physician, Biologist and Author of 2010 Book 'The Emperor of All Maladies: A Biography of Cancer')

Siddhartha Mukherjee
3
Birthdate: July 21, 1970
Sun Sign: Cancer
Birthplace: New Delhi, India

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.

 44 
Ernst Mayr
(Biologist)

Ernst Mayr
3
Birthdate: July 5, 1904
Sun Sign: Cancer
Birthplace: Kempten
Died: February 3, 2005

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.

 45 
Yoshinori Ohsumi
(Biologist)

Yoshinori Ohsumi
4
Birthdate: February 9, 1945
Sun Sign: Aquarius
Birthplace: Fukuoka, Japan

 46 
Walter Rothschild, 2nd Baron Rothschild
(Biologist, Banker, Politician, Zoologist, Ornithologist, Entomologist, Lepidopterist)

Walter Rothschild, 2nd Baron Rothschild
3
Birthdate: February 8, 1868
Sun Sign: Aquarius
Birthplace: England
Died: August 27, 1937

 47 
Erasmus Darwin
(Physician)

Erasmus Darwin
3
Birthdate: December 12, 1731
Sun Sign: Sagittarius
Birthplace: Elston, Newark-on-Trent,
Died: April 18, 1802

 48 
Paul Stamets
(Mycologist)

Paul Stamets
4
Birthdate: July 17, 1955
Sun Sign: Cancer
Birthplace: Columbiana, Ohio, United States

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.

 49 
Richard Owen
(Biologist)

Richard Owen
3
Birthdate: July 20, 1804
Sun Sign: Cancer
Birthplace: Lancaster, England
Died: December 18, 1892

 50 
Bruce Lipton
(Biologist)

Bruce Lipton
4
Birthdate: October 21, 1944
Sun Sign: Libra
Birthplace: Mount Kisco, New York, United States

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.