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8pages, 448results in your Keyword search for "theory"
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George Boole, English mathematician and logician, 1865. Artist: Unknown
 
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Ernst Haeckel, German zoologist and evolutionist, 1899. Artist: Unknown
 
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Ernst Haeckel (1834-1919), German zoologist and evolutionist. Artist: Unknown
 
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Ernst Haeckel (1834-1919), German zoologist and evolutionist. Artist: Unknown
 
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Ernst Haeckel, German zoologist and evolutionist, in the Canaries, 1867. Artist: Unknown
 
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Haeckel's scheme of evolution displayed in the form of a tree, 1910. Artist: Ernst Haeckel
 
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Paleontological tree of vertebrates, 1910. Artist: Ernst Haeckel
 
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Sauropsid embryos, 1910. Artist: Ernst Haeckel
 
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Mammal embryos, 1910. Artist: Ernst Haeckel
 
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Anaximander (c611-546 BC), Ancient Greek philosopher, 1493. Artist: Unknown
 
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Great Pyramid of Cheops at Giza being used as an astronomical observatory. Artist: Unknown
 
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William Bateson (1861-1926), British geneticist, 1914. Artist: Unknown
 
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Haeckel's comparision of embryos of Pig, Cow, Rabbit and Man. Artist: Ernst Haeckel
 
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Dalton's table of atomic symbols, 1835. Artist: Unknown
 
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Niels Bohr, Danish physicist, c1922. Artist: Unknown
 
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Aristarchos of Samos (fl260 BC), Alexandrian astronomer, 1493. Artist: Unknown
 
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Svante Arrhenius (1859-1927), Swedish physicist and chemist, 1903. Artist: Unknown
 
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Svante Arrhenius (1859-1927), Swedish physicist and chemist in his laboratory, 1909. Artist: Unknown
 
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Great Pyramid of Cheops at Giza being used as an astronomical observatory, 1891. Artist: Unknown
 
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John Frederick Herschel (1792-1871), English astronomer and scientist, as a young man. Artist: Unknown
 
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'Mistaking Cause for Effect, 1849'. Artist: Unknown
 
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Albert Einstein (1879-1955), German-Swiss mathematician and theoretical physicist, c1920. Artist: Unknown
 
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Albert Einstein (1879-1955), German-Swiss mathematician and theoretical physicist, 1920. Artist: Hermann Struck
 
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Albert Einstein (1879-1955), German-Swiss mathematician and theoretical physicist, 1905. Artist: Unknown
 
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Albert Einstein (1879-1955), German-Swiss mathematician and theoretical physicist, 1905. Artist: Unknown
 
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Abraham Rupert Einstein, grandfather of Albert Einstein (1879-1955), 19th century. Artist: Unknown
 
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Albert Einstein (1879-1955), German-Swiss mathematician and theoretical physicist, c1896. Artist: Unknown
 
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Albert Einstein (1879-1955), German-Swiss mathematician and theoretical physicist, c1930s. Artist: Unknown
 
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Title page of Opticks by English scientist and mathematician Isaac Newton, 1794. Artist: Unknown
 
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Title page of Newton's Philosophiae Naturalis Principia Mathematica, 1687. Artist: Unknown
 
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Title page of Copernicus' De revolutionibus orbium coelestium, 1543. Artist: Unknown
 
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Copernicus' heliocentric model of the Universe, 1543. Artist: Unknown
 
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George-Louis Leclerc, Comte de Buffon, French naturalist, 18th century. Artist: Holl
 
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Jean Lamarck, French naturalist. Artist: Unknown
 
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Giraffe browsing on a tree, 1836. Artist: Unknown
 
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Albert Einstein, German-Swiss-American mathematician and physicist, 20th century. Artist: Unknown
 
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Giant tortoises of the Galapagos Islands which were observed by Darwin, 1894. Artist: Unknown
 
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Giant Land Tortoises of the Galapagos Islands, 1884. Artist: Unknown
 
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Iguana, the great herbivorous sea lizard of the Galapagos Islands. Artist: Unknown
 
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'Man is but a Worm', cartoon from Punch showing evolution from worm to man, 1881. Artist: Unknown
 
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Pigeons used by Charles Darwin at Down House, near Beckenham, Kent, England, 1887. Artist: Unknown
 
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'The New Photographic Looking Glass', cartoon from Punch, everyday proof of man's origins, 1861. Artist: Unknown
 
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Coral island and circling coral reef creating a lagoon. Artist: Unknown
 
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Coral reef creating a lagoon. Artist: Unknown
 
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Four or the species of finch observed by Darwin on the Galapagos Islands. Artist: Unknown
 
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Coral Reef and island. Artist: Unknown
 
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Coral reef surrounding a lagoon. Artist: Unknown
 
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Alfred Adler (1870-1937), Austrian psychiatrist. Artist: Unknown
 
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Alfred Adler (1870-1937) Austrian psychiatrist. Artist: Unknown
 
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Louis Agassiz (1807-1873), Swiss-born American naturalist and glaciologist, c1826 (1885). Artist: Unknown
 
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Louis Agassiz (1807-1873), Swiss-born American naturalist and glaciologist, 1874. Artist: Unknown
 
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Louis Agassiz (1807-1873), Swiss-born American naturalist and glaciologist, 1883. Artist: Unknown
 
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Louis Agassiz (1807-1873), Swiss-born American naturalist and glaciologist, c1860. Artist: Unknown
 
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Birthplace of the glaciologist Louis Agassiz, Motiers, Switzerland, 1885. Artist: Unknown
 
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Shelter built by the glaciologist Louis Agassiz, Aar glacier, Switzerland, 1840 (1885). Artist: Unknown
 
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Shelter built by the glaciologist Louis Agassiz, Aar glacier, Switzerland, 1842 (1885). Artist: Unknown
 
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George Biddell Airy (1801-1892), English astronomer and geophysicist, 1858. Artist: Unknown
 
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George Biddell Airy (1801-1892), English astronomer and geophysicist, 1875. Artist: Carlo Pellegrini
 
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George Biddell Airy (1801-1892), English astronomer and geophysicist, 1877. Artist: Unknown
 
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George Biddell Airy (1801-1892), English astronomer and geophysicist, 1892. Artist: Unknown
 
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