‘theory’ historical pictures (exact matches)

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Man whose appearance supports the theory that man is descended from apes
Man whose appearance supports the theory that man is descended from apes
I am Darwin's Grandpapa
I am Darwin's Grandpapa
Anacreon
Anacreon
The theory of gravity: English scientist Isaac Newton watching apples fall from a tree, 17th Century
The theory of gravity: English scientist Isaac Newton watching apples fall from a tree, 17th Century