Elisee Reclus, French geographer
Peter Kropotkin, Russian geographer
Camille Flammarion, French astronomer
Karl Marx, German political theorist
Johann von Goethe, German author
John Burroughs and John Muir
Arthur Dendy, British zoologist
Stuart Ridley, British zoologist
Arthur Waters, British zoologist
Alfred Alcock, British naturalist
Feodosii Chernyshev, Russian geologist
Ernst Haeckel, German naturalist
Almroth Wright, British bacteriologist
Thomas Huxley, British naturalist
Edward Wright, Irish zoologist
Theophil Studer, Swiss zoologist
Ferdinand von Richthofen, German geologist
Mikhail Bakunin, Russian revolutionary
Lewis Fermor, British geologist
Marc Seguin 1786-1875
Alfred Russel Wallace, British naturalist
Frederic Bartholdi, French sculptor
William Sollas, British zoologist
Alexander Agassiz, US zoologist
Solomon Fuller, US psychiatrist
Wilhelm Ostwald, German physical chemist
John James Audubon, French-US naturalist
Elias Loomis, American mathematician
Ferdinand de Lesseps, French engineer
Albert von Kolliker, Swiss zoologist
Edoardo Perroncito, Italian physician
John Powell and Tau-gu
The 'Kitab Rudjdjar' or 'Tabula Rogeriana'
John Dee, English alchemist
Frank Beddard, British zoologist
Aleksei Borisyak, Russian palaeontologist
George Boulenger, Belgian zoologist
Stanislao Cannizzaro, Italian chemist
William Carruthers, Scottish botanist
John Muir, US naturalist
Joseph Leidy, American paleontologist
James Angell, US psychologist
Glaciology research
Abraham Lincoln, 19th Century photograph
Pietro Giannone, Italian historian
John Herschel, British astronomer
Louis Agassiz, Swiss-US geologist
Gerardus Mercator, Dutch cartographer
William McIntosh, Scottish zoologist
Herbert George Wells, British author
Sir Richard Owen, British palaeontologist
John Hunter, surgeon and anatomist
Robert McGee, scalping victim
Nicolaus Copernicus (1473-1543)
Launch of an early rocket model
David Bannerman, British ornithologist
Henry and Bannerman with bird-of-prey
Apsley Cherry-Garrard, British explorer
Natural History Museum expedition, 1976
Osbert Salvin, British naturalist
Louis Agassiz, Swiss-US naturalist
19th-century British knights
James Mills Peirce, US mathematician
James J Sylvester, English mathematician
Catfish, artwork
Leporinus fish, artwork
Charles Matley, British palaeontologist
William Carpenter, English zoologist
Rudolph Bergh, Danish zoologist
Cardale Babington, British botanist
Benjamin Franklin, American scientist
Emmanuel de Martonne, French geographer
Matthew Sands
Michael Faraday, British physicist
King Henry VIII of England
Cope Whitehouse, US archaeologist
Leopold de Folin, French oceanographer
Evelyn Cheesman, British entomologist
Charles Darwin, British naturalist
Francis Bacon, English philosopher
Robert Boyle, Irish chemist
1920s diving helmet
Wallace Collection beetle specimens
Wallace Collection insect specimens
Wallace Collection butterfly specimens
John Hays Hammond Jr., American inventor
Cesare Lombroso, Italian criminologist
Edison phonograph demonstration, 1878
Percy Bysshe Shelley
Thomas Carlyle, Scottish writer
William Gregory, Scottish chemist
German and US psychiatrists, circa 1904
Nicolas Fabri de Peiresc, astronomer
Wilhelm Wattenbach, German historian
Giovanni Grassi, Italian zoologist
Charles Darwin
Electricity pioneers, historical image
Jean Brunhes, French geographer
Washington Irving, US writer
Mr Winston. Author
Henry Rowe Schoolcraft, ethnologist
Giorgio Vasari, Italian artist and author
Clements Markham, British geographer
Andre-Marie Ampere, French physicist
Thomas Thomson, Scottish chemist
Edouard Branly, French physicist
Alexander von Humboldt, German naturalist
CDC 7600 supercomputer, 1970s
Cray-1 supercomputer, 1983
Frank Barlow and children
Henri Bouley, French veterinarian
Rudolf Virchow, German pathologist
John Tyndall, Irish physicist
Salvador de Madariaga.
Pierre Fauchard, French dentist
Sir Henry Roscoe, British chemist
William Herdman, Scottish zoologist
Dum-dum wound, historical image
Views Of Calcutta And Its Environs
Wilhelm Weber, German physicist
David Hume, Scottish philosopher
Martin Beer, German philosopher
Hugh Cuming, English naturalist
Robert Scott's Antarctic diary, 1910s
Man floating in the Dead Sea
Alessandro Piccolomini, Italian humanist
Jean-Antoine Chaptal, French chemist
Wanganui Observatory, 1903
Edgar Allan Poe, US author and poet
Francis Mercurius van Helmont, physician
Physicist William B. Shockley
Karl Kelchner Darrow, American physicist
Tarn Bank Observatory, England
Ordnance Survey observatory, 1885
Julius Hilgard, German-US surveyor
Historic blood donor poster
Samuel Wilks, British physician
John Selden, English humanist polymath
UNIVAC 1 computer delivery, 1953
UNIVAC 1 computer console
IBM 704 computer, 1950s
IBM 7030 computer, 1960s
IBM 1402 computer, 1967
Robert Bell, Northern Irish geologist
John Bartram, American botanist
Joseph Louis Gay-Lussac, French chemist
Devana Chasma, Venus, radar image
Anthropological excavations, Norfolk
Erasmus Darwin M. D
Airy Transit Circle eyepiece
Willard Parker, US surgeon
Lafayette Mendel, US biochemist
Joel Asaph Allen, US ornithologist
Seth Chandler, US astronomer
Cleveland Abbe, US meteorologist
Henry Parkhurst, US astronomer
Charles Baskerville, US chemist
Victor Bloede, German-US chemist
Charles Chandler, US chemist.
William Crookes and vacuum tube, 1903
Jedediah Buxton, English mathematician
Sir Charles Lyell, British geologist
Alchemical gold, 19th century
Calcutta seen from the water
North American lake
Gustavus Swift, US industrialist
Francois de Chateaubriand, French writer
Otto Stapf, Austrian botanist
Joseph Priestley, British chemist
Galen, Ancient Greek physician
Horatio Walpole, 4th Earl of Oxford
French Caricature - Avant la Guerre
George Fownes, English chemist
Grant Allen.
肖像画
Electrical panacea, historical artwork
Cardiac X-ray machine, 20th century
J. Russell Smith, US conservationist
Tuna fishing, historical image