Pessoa singular
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1830-1881
Scientist
Scientist
Painter
Samuel Pierpont Langley was an American aviation pioneer, astronomer and physicist who invented the bolometer. He was the third secretary of the Smithsonian Institution and a professor of astronomy at the University of Pittsburgh, where he was the director of the Allegheny Observatory
Sir Edwin Ray Lankester was an invertebrate zoologist and evolutionary biologist. He held chairs at University College London and Oxford University. He was the third Director of the Natural History Museum, and was awarded the Copley Medal of the Royal Society