Find out more about the greatest 19th Century Biologists, including Alexander Fleming, Alfred Russel Wallace, Jagadish Chandra Bose, Ernst Haeckel and Alfred Kinsey.
Alexander FlemingAlexander Fleming
06 August 1881, British, Scottish
Biologist, Pharmacologist, Discovered Penicillin
Jagadish Chandra BoseJagadish Chandra Bose
30 November 1858, Indian
Physicist

Alfred KinseyAlfred Kinsey
23 June 1894, American
Sexologist

Alfred Russel WallaceAlfred Russel Wallace
08 January 1823, British
Naturalist, Explorer, Geographer, Anthropologist

Ernst HaeckelErnst Haeckel
16 February 1834, German
Biologist, Physician, Philosopher & Artist

Trofim LysenkoTrofim Lysenko
29 September 1898, Russian
Experimenter
Thomas Henry HuxleyThomas Henry Huxley
04 May 1825, British
Biologist

Louis AgassizLouis Agassiz
28 May 1807, American
Geologist

Karl LandsteinerKarl Landsteiner
14 June 1868, American
Physician
Thomas Hunt MorganThomas Hunt Morgan
25 September 1866, American
Geneticist

Alexis CarrelAlexis Carrel
28 June 1873, French
Surgeon, Biologist
Theodor SchwannTheodor Schwann
07 December 1810, German
Physiologist

Camillo GolgiCamillo Golgi
07 July 1843, Italian
Physician, Pathologist, Biologist

Ferdinand CohnFerdinand Cohn
24 January 1828, Polish
Founder of Bacteriology and Microbiology

Albert ClaudeAlbert Claude
24 August 1899, Belgian
Cell Biologist

J.B.S. HaldaneJ.B.S. Haldane
05 November 1892, British
Geneticist
Nikolai VavilovNikolai Vavilov
13 November 1887, Russian
botanist, biologist, explorer, geneticist,

J. B. S. HaldaneJ. B. S. Haldane
05 November 1892, Indian, British
Biologist, Geneticist, University teacher

Julian HuxleyJulian Huxley
22 June 1887, British
Biologist

Richard OwenRichard Owen
20 July 1804, British
Biologist
Walter Rothschild, 2nd Baron RothschildWalter Rothschild, 2nd Baron Rothschild
08 February 1868, British
Biologist, Banker, Politician, Zoologist,

Justus von LiebigJustus von Liebig
12 May 1803, German
Scientist
Ilya Ivanovich IvanovIlya Ivanovich Ivanov
01 August 1870
Biologist

Charles Lucien BonaparteCharles Lucien Bonaparte
24 May 1803, French
Biologist

Oswald AveryOswald Avery
21 October 1877, Canadian
Biologist, Physician, Geneticist
Matthias Jakob SchleidenMatthias Jakob Schleiden
05 April 1804, German
Biologist, Botanist, Philosopher, University

Patrick GeddesPatrick Geddes
02 October 1854, Scottish
Biologist
Hugo de VriesHugo de Vries
16 February 1848, Dutch
Botanist, Biologist, Geneticist, University

Charles DavenportCharles Davenport
01 June 1866, American
Biologist

Friedrich RatzelFriedrich Ratzel
30 August 1844, German
Biologist, Geopolitician, Geographer, Zoologist,
Nettie StevensNettie Stevens
07 July 1861, American
Geneticist

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Friedrich MiescherFriedrich Miescher
13 August 1844, Swiss
Biologist, Biochemist, University teacher
Karl Patterson SchmidtKarl Patterson Schmidt
19 June 1890, American
American zoologist

August WeismannAugust Weismann
17 January 1834
Biologist, Zoologist, Geneticist

Jean-Henri FabreJean-Henri Fabre
21 December 1823, French
Entomologist

Carl AkeleyCarl Akeley
19 May 1864, American
Taxidermist
Naomi MitchisonNaomi Mitchison
01 November 1897, Scottish
Novelist
Hans Christian GramHans Christian Gram
13 September 1853, Danish
Physician, Bacteriologist, University teacher,

Ian WilmutIan Wilmut
07 July 1944, British
Biologist

Charles Galton DarwinCharles Galton Darwin
18 December 1887, British
Physicist, University teacher

Walther FlemmingWalther Flemming
21 April 1843, German
Biologist
Jean RostandJean Rostand
30 October 1894, French
Philosopher, Biologist, Writer

Bernard Germain de LacépèdeBernard Germain de Lacépède
26 December 1756, French
Naturalist

John Boyd OrrJohn Boyd Orr
23 September 1880, British, Scottish
Teacher

Richard GoldschmidtRichard Goldschmidt
12 April 1878, German, American
Geneticist

John LindleyJohn Lindley
05 February 1799, British
Botanist
Sergei WinogradskySergei Winogradsky
01 September 1856, French, Russian
Microbiologist

Paul KammererPaul Kammerer
17 August 1880, Austrian
Biologist
Hans DrieschHans Driesch
28 October 1867, German
Biologist

Lorenz OkenLorenz Oken
01 August 1779, German
Naturalist

Ray LankesterRay Lankester
15 May 1847, British
Zoologists
Theodor BoveriTheodor Boveri
12 October 1862, German
Biologist

Alister HardyAlister Hardy
10 February 1896, British
Biologist, Marine biologist
Paul Alfred WeissPaul Alfred Weiss
21 March 1898, Austrian, American
Biologist

Félix DujardinFélix Dujardin
05 April 1801, French
Biologist

Rebecca LancefieldRebecca Lancefield
05 January 1895, American
Microbiologist

Walter Baldwin SpencerWalter Baldwin Spencer
23 June 1860, Australian, British
Anthropologist

Alfred NewtonAlfred Newton
11 June 1829, Swiss
Ornithologist
Max SchultzeMax Schultze
15 March 1825, German
Anatomist

George EngelmannGeorge Engelmann
02 February 1809, German, American
Botanist

Lev BergLev Berg
14 March 1876, Moldovan, Russian
Geographer

Patrick MatthewPatrick Matthew
20 October 1790, Scottish
Agriculturalist
Edwin KlebsEdwin Klebs
06 February 1834, German
Pathologist

Oscar HertwigOscar Hertwig
21 April 1849, German
Zoologist
Alfred RomerAlfred Romer
28 December 1894, American
Paleontologist

St. George Jackson MivartSt. George Jackson Mivart
30 November 1827, British
Biologist

Raymond PearlRaymond Pearl
03 June 1879, American
Biologist
Jeanne Villepreux-PowerJeanne Villepreux-Power
24 September 1794, French
Biologist

Jacques LoebJacques Loeb
07 April 1859, German, American
Physiologist
Wilhelm HofmeisterWilhelm Hofmeister
18 May 1824, German
Biologist

Emil Christian HansenEmil Christian Hansen
08 May 1842, Danish
Mycologist

John GoodsirJohn Goodsir
20 March 1814, Scottish
Anatomist
Anders RetziusAnders Retzius
13 October 1796, Swedish
Professor

Francis Maitland BalfourFrancis Maitland Balfour
10 November 1851, Scottish
Biologist
John Graham KerrJohn Graham Kerr
18 September 1869, British
Politician

Karl MöbiusKarl Möbius
07 February 1825, German
Zoologist

Alexander Carr-SaundersAlexander Carr-Saunders
14 January 1886, British
British educator

George Harrison ShullGeorge Harrison Shull
15 April 1874, American
Plant biologist
Curt RichterCurt Richter
20 February 1894, American
Biologist
Robert ChambersRobert Chambers
10 July 1802, Scottish
Geologist

Edwin ConklinEdwin Conklin
24 November 1863, American
Biologist

Alexander KovalevskyAlexander Kovalevsky
19 November 1840, Russian
Embryologist

Henry Horatio DixonHenry Horatio Dixon
19 May 1869, Irish
Professor
Martin RathkeMartin Rathke
25 August 1793, German
University Professor

Margaret Warner MorleyMargaret Warner Morley
17 February 1858, American
Author

William Crawford WilliamsonWilliam Crawford Williamson
24 November 1816, British
Naturalist

Wolfgang OstwaldWolfgang Ostwald
27 May 1883, German
Chemist

Moritz SchiffMoritz Schiff
28 January 1823, German
Physiologist
Lewis Ralph JonesLewis Ralph Jones
05 December 1864, American
Botanist

Maurice CaulleryMaurice Caullery
05 September 1868, French
Biologist
Eduard Adolf StrasburgerEduard Adolf Strasburger
01 February 1844, German, Polish
Professor

Edouard van BenedenEdouard van Beneden
05 March 1846, Belgian
Biologist
Shiga KiyoshiShiga Kiyoshi
07 February 1871, Japanese
Physician
D'Arcy Wentworth ThompsonD'Arcy Wentworth Thompson
02 May 1860, Scottish
Zoologist