Zoologists

Zoologists study the structure, physiology, development and classification of animals. They also study the habitats and ecology of animals. Zoology as a branch of life sciences involves work with animals, either in natural surroundings or in captivity. Because of the vastness of the animal kingdom, some zoologists specialize in one of the various branches that fall under this category. They may also choose to focus on whole organisms or parts of an organism. Zoologists conduct analytical and experimental research. They work in the field observing animals and their habitats and collect samples for analysis. They may have to work long irregular hours in remote areas and harsh climatic conditions. The samples collected by field work are examined in laboratories using specialized techniques. High technology software and computer simulations and models are used to analyze the laboratory results. Zoologists help in improving livestock, and facilitate development of new drugs for veterinary usage. Their work is invaluable in the field of animal welfare and conservation of endangered species and habitats. They are employed by the government to aid in developing policies and laws related to animals, both wild and domestic. They also serve in teaching positions in universities and undertake research. Read on to learn about the life and works of various famous zoologists from all over the world.

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

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 1 Steve Irwin

Steve Irwin.
4
Famous As: Television Personality
Birthdate: February 22, 1962
Sun Sign: Pisces
Birthplace: Upper Ferntree Gully, Victoria, Australia
Died: September 4, 2006

Australian Steve Irwin was a world famous, high-spirited, lively host of The Crocodile Hunter television series. A conservationist, he was also part of other shows and documentaries on wildlife and environment. He was known for close encounters with some of the most dangerous and endangered animals in various jungles. He died after being pierced in the chest by a stingray barb while filming in Australia's Great Barrier Reef.

 2 Dian Fossey

Dian Fossey.
4
Famous As: Zoologist, Conservationist
Birthdate: January 16, 1932
Sun Sign: Capricorn
Birthplace: San Francisco, California, United States
Died: December 26, 1985
Zoologist, primatologist, and conservationist Dian Fossey conducted research on mountain gorillas in Rwanda from 1966 until she was murdered in 1985. She was part of the Trimates assigned to study apes by paleoanthropologist Louis Leakey. She wrote Gorillas in the Mist, which was later turned into a film.

 3 Kiran Mazumdar-Shaw

Kiran Mazumdar-Shaw.
4
Famous As: Business woman
Birthdate: March 23, 1953
Sun Sign: Aries
Birthplace: Bangalore, Mysore State, India

Biocon founder and chairperson Kiran Mazumdar-Shaw is a self-made billionaire entrepreneur who made it to Forbes’s Power Women 2020 list. Though she initially wished to be a brewer like her father, she later drifted to the biochemical industry. Apart from revolutionizing the Indian biopharma market, she also heads a charitable organization.

 4 Jean-Baptiste Lamarck

Jean-Baptiste Lamarck.
4
Famous As: Naturalist
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.

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 5 Stamford Raffles

Stamford Raffles.
4
Famous As: Former Governor-General of the Dutch East Indies
Birthdate: July 6, 1781
Sun Sign: Cancer
Birthplace: Port Morant, Jamaica
Died: July 5, 1826

Stamford Raffles was a British statesman who served as the Lieutenant-Governor of the Dutch East Indies from 1811 to 1816. From 1818 to 1824, he served as the Lieutenant-Governor of Bencoolen. Raffles is best remembered for founding the Straits Settlements and modern Singapore. He also played a major role in the invasion of Java in 1811 during the Napoleonic Wars.

 6 Konrad Lorenz

Konrad Lorenz.
4
Famous As: Zoologist
Birthdate: November 7, 1903
Sun Sign: Scorpio
Birthplace: Vienna, Austria
Died: February 27, 1989

Nobel Prize-winning Austrian zoologist Konrad Lorenz is remembered as a pioneer of ethology. The son of a surgeon father and a physician mother, Lorenz was a qualified physician himself. A university degree awarded to him was rescinded posthumously due to his association with the Nazi party

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 7 James Robertson Justice

James Robertson Justice
4
Famous As: Actor
Birthdate: June 15, 1907
Sun Sign: Gemini
Birthplace: Lewisham, England
Died: July 2, 1975
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 8 Georges Cuvier

Georges Cuvier.
4
Famous As: Naturalist
Birthdate: August 23, 1769
Sun Sign: Virgo
Birthplace: Montbéliard, France
Died: May 13, 1832

Georges Cuvier was a French zoologist and naturalist. A major figure in the early 19th century's research of natural sciences, Cuvier played an important role in establishing the fields of comparative paleontology and anatomy by comparing fossils with living animals, for which he is sometimes regarded as the founding father of paleontology.

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 9 Walter Reed

Walter Reed
4
Famous As: Military physician, Zoologist, Entomologist
Birthdate: September 13, 1851
Sun Sign: Virgo
Birthplace: Belroi
Died: November 22, 1902

 10 Thomas Hunt Morgan

Thomas Hunt Morgan.
4
Famous As: Geneticist
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. 

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 11 Paul R. Ehrlich

Paul R. Ehrlich
4
Famous As: Entomologist, Zoologist, University teacher
Birthdate: May 29, 1932
Sun Sign: Gemini
Birthplace: Philadelphia

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. 

 12 Louis Agassiz

Louis Agassiz.
4
Famous As: Geologist
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.  

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 13 Walter Rothschild, 2nd Baron Rothschild

Walter Rothschild, 2nd Baron Rothschild
4
Famous As: Biologist, Banker, Politician, Zoologist, Ornithologist, Entomologist, Lepidopterist
Birthdate: February 8, 1868
Sun Sign: Aquarius
Birthplace: England
Died: August 27, 1937

 14 Anne McLaren

Anne McLaren
4
Famous As: Geneticist
Birthdate: April 26, 1927
Sun Sign: Taurus
Birthplace: London, England
Died: July 7, 2007

Geneticist Anne McLaren is remembered for her pioneering research in embryology that paved the way for further research in fertility treatments such as in-vitro fertilization. The Royal Society fellow had also appeared as a child actor in the film adaptation of the H.G. Wells novel Things to Come.

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 15 Desmond Morris

Desmond Morris
4
Famous As: Zoologist
Birthdate: January 24, 1928
Sun Sign: Aquarius
Birthplace: Purton, Wiltshire, England

 16 Jim Fowler

Jim Fowler
4
Famous As: Zoologist, Television host
Birthdate: April 9, 1932
Sun Sign: Aries
Birthplace: Albany, Georgia, United States

 17 Madison Grant

Madison Grant
4
Famous As: Lawyer, Anthropologist, Racial theorist, Historian, Zoologist
Birthdate: November 19, 1865
Sun Sign: Scorpio
Birthplace: New York City
Died: May 30, 1937

A lawyer and a zoologist, Madison Grant is best remembered for his belief in eugenics and white supremacy, which he expressed through his best-selling book The Passing of the Great Race. He played a crucial role in the passing of immigration regulations in the U.S. He was also an avid conservationist.

 18 Lazzaro Spallanzani

Lazzaro Spallanzani
3
Famous As: Biologist, Zoologist, Scientist, Naturalist, University teacher, Entomologist
Birthdate: January 10, 1729
Sun Sign: Capricorn
Birthplace: Scandiano
Died: February 12, 1799

 19 Ernest Everett Just

Ernest Everett Just.
3
Famous As: Biologist
Birthdate: August 14, 1883
Sun Sign: Leo
Birthplace: Charleston, South Carolina, United States
Died: October 27, 1941

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.  

 20 Mary J Rathbun

Mary J Rathbun
5
Famous As: Zoologist
Birthdate: June 11, 1860
Sun Sign: Gemini
Birthplace: Buffalo, New York, United States
Died: April 4, 1943
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 21 Karl Patterson Schmidt

Karl Patterson Schmidt
3
Famous As: American zoologist
Birthdate: June 19, 1890
Sun Sign: Gemini
Birthplace: Lake Forest, Illinois, United States
Died: September 26, 1957

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. 

 22 Peter Medawar

Peter Medawar.
8
Famous As: Biologist
Birthdate: February 28, 1915
Sun Sign: Pisces
Birthplace: Petrópolis, Rio de Janeiro, Brazil
Died: October 2, 1987

 23 David Starr Jordan

David Starr Jordan
3
Famous As: Botanist, Peace activist, Zoologist, Autobiographer, Ichthyologist
Birthdate: January 19, 1851
Sun Sign: Capricorn
Birthplace: Gainesville (village), New York
Died: September 19, 1931

Remembered as the first president of the Leland Stanford Junior University, now known as Stanford University, David Starr Jordan was a reputed ichthyologist. An anti-war activist, too, who opposed America’s participation in World War I, he spent his later years as the chief director of the World Peace Foundation.

 24 PZ Myers

PZ Myers
3
Famous As: Biologist, Zoologist, Blogger, University teacher
Birthdate: March 9, 1957
Sun Sign: Pisces
Birthplace: Kent

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.  

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 25 John Edward Gray

John Edward Gray
3
Famous As: Author, zoologist
Birthdate: February 12, 1800
Sun Sign: Aquarius
Birthplace: Walsall
Died: March 7, 1875

 26 Karl von Frisch

Karl von Frisch.
3
Famous As: Ethologist
Birthdate: November 20, 1886
Sun Sign: Scorpio
Birthplace: Vienna, Austria
Died: June 12, 1982

Nobel Prize-winning ethologist Karl von Frisch is best remembered for his research on communication among bees. He was the first to observe that bees communicate the location of food to other bees by a form of “dance.” He penned down his studies in books such as The Dancing Bees.

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 27 Tim Flannery

Tim Flannery
3
Famous As: Biologist, Paleontologist, Zoologist, Environmentalist
Birthdate: January 28, 1956
Sun Sign: Aquarius
Birthplace: Melbourne

Tim Flannery is an Australian paleontologist, mammalogist, environmentalist, explorer, conservationist, and public scientist. Tim Flannery is credited with discovering over 30 mammal species. He is also credited with co-founding Climate Council, a non-profit organization that aims at providing accurate information on climate change to the Australian public. In 2007, Tim Flannery was named Australian of the Year.

 28 Friedrich Ratzel

Friedrich Ratzel
3
Famous As: Biologist, Geopolitician, Geographer, Zoologist, Political scientist, University teacher
Birthdate: August 30, 1844
Sun Sign: Virgo
Birthplace: Karlsruhe
Died: August 9, 1904

 29 August Weismann

August Weismann
3
Famous As: Biologist, Zoologist, Geneticist
Birthdate: January 17, 1834
Sun Sign: Capricorn
Birthplace: Frankfurt
Died: November 5, 1914

 30 Dixie Lee Ray

Dixie Lee Ray
3
Famous As: Politician
Birthdate: September 3, 1914
Sun Sign: Virgo
Birthplace: Tacoma, Washington, United States
Died: January 2, 1994
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 31 Conrad Gessner

Conrad Gessner
3
Famous As: Physician
Birthdate: March 26, 1516
Sun Sign: Aries
Birthplace: Zürich, Switzerland
Died: December 13, 1565

 32 Pierre-André Latreille

Pierre-André Latreille
3
Famous As: Zoologist
Birthdate: November 29, 1762
Sun Sign: Sagittarius
Birthplace: Brive-la-Gaillarde, France
Died: February 6, 1833
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 33 Peter Simon Pallas

Peter Simon Pallas
3
Famous As: Botanist
Birthdate: September 22, 1741
Sun Sign: Virgo
Birthplace: Berlin, Germany
Died: September 8, 1811

 34 Robert T. Paine

Robert T. Paine
3
Famous As: Ecologist
Birthdate: April 13, 1933
Sun Sign: Aries
Birthplace: Cambridge, Massachusetts, United States
Died: June 13, 2016

 35 Georg Wilhelm Steller

Georg Wilhelm Steller
3
Famous As: Botanist
Birthdate: March 10, 1709
Sun Sign: Pisces
Birthplace: Bad Windsheim, Germany
Died: November 14, 1746

German-born zoologist and botanist Georg Wilhelm Steller traveled to Russia on a troop ship. He was later part of the Great Northern Expedition, aboard the St. Peter, aimed at locating a sea route from Russia to North America. The Steller’s sea cow, discovered by him, went extinct later.

 36 D'Arcy Wentworth Thompson

D'Arcy Wentworth Thompson
3
Famous As: Zoologist
Birthdate: May 2, 1860
Sun Sign: Taurus
Birthplace: Edinburgh, Scotland
Died: June 21, 1948

 37 Johan Christian Fabricius

Johan Christian Fabricius
3
Famous As: Zoologist
Birthdate: January 7, 1745
Sun Sign: Capricorn
Birthplace: Tøndern, Denmark
Died: March 3, 1808

 38 Roger Tory Peterson

Roger Tory Peterson
3
Famous As: Zoologist, Ornithologist
Birthdate: August 28, 1908
Sun Sign: Virgo
Birthplace: Jamestown
Died: July 28, 1996

 39 G. Evelyn Hutchinson

G. Evelyn Hutchinson
3
Famous As: Ecologist
Birthdate: January 30, 1903
Sun Sign: Aquarius
Birthplace: Cambridge, England
Died: May 17, 1991

 40 Charles Henry Turner

Charles Henry Turner
3
Famous As: Zoologist
Birthdate: February 3, 1867
Sun Sign: Aquarius
Birthplace: Cincinnati, Ohio, United States
Died: February 14, 1923

 41 Carl Peter Thunberg

Carl Peter Thunberg
3
Famous As: Botanist
Birthdate: November 11, 1743
Sun Sign: Scorpio
Birthplace: Jönköping, Sweden
Died: August 8, 1828

 42 Edmund Beecher Wilson

Edmund Beecher Wilson
3
Famous As: Geneticist
Birthdate: October 19, 1856
Sun Sign: Libra
Birthplace: Geneva, Illinois, United States
Died: March 3, 1939

Edmund Beecher Wilson was an American geneticist and zoologist. He is credited with writing a textbook titled The Cell which is widely regarded as one of the most influential and important books in modern biology. Regarded as America's first cell biologist, Wilson is also credited with discovering the XY sex-determination system which is used to classify several mammals, including humans.

 43 Paul Kammerer

Paul Kammerer
3
Famous As: Biologist
Birthdate: August 17, 1880
Sun Sign: Leo
Birthplace: Vienna, Austria
Died: September 23, 1926

 44 John Lubbock, 1st Baron Avebury

John Lubbock, 1st Baron Avebury
3
Famous As: Anthropologist, Politician, Archaeologist, Prehistorian, Banker, Statistician, Naturalist, Zoologist, Entomologist
Birthdate: April 30, 1834
Sun Sign: Taurus
Birthplace: London
Died: May 28, 1913

British banker John Lubbock, 1st Baron Avebury, better known as Sir John Lubbock, had also been an MP. However, he is best known for his contribution to ethnography and archaeology. He is also credited with coining the terms Paleolithic and Neolithic, and is known for his books on animal behavior.

 45 Emma Teeling

Emma Teeling
3
Famous As: Zoologist
Birthdate: 0000 AD
Birthplace: Dublin, Ireland

 46 Charles Sutherland Elton

Charles Sutherland Elton
3
Famous As: Zoologist
Birthdate: March 29, 1900
Sun Sign: Aries
Birthplace: Manchester, England
Died: May 1, 1991

 47 Lancelot Hogben

Lancelot Hogben
3
Famous As: Medical Statistician
Birthdate: December 9, 1895
Sun Sign: Sagittarius
Birthplace: Portsmouth, England
Died: August 22, 1975

 48 Mathurin Jacques Brisson

Mathurin Jacques Brisson
3
Famous As: Philosopher
Birthdate: April 30, 1723
Sun Sign: Taurus
Birthplace: Fontenay-le-Comte, France
Died: June 23, 1806

 49 Bernard Germain de Lacépède

Bernard Germain de Lacépède
3
Famous As: Naturalist
Birthdate: December 26, 1756
Sun Sign: Capricorn
Birthplace: Agen, France
Died: October 6, 1825

 50 James Dwight Dana

James Dwight Dana
2
Famous As: Geologist
Birthdate: February 12, 1813
Sun Sign: Aquarius
Birthplace: Utica, New York, United States
Died: April 14, 1895
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