Alice Roberts
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- Role
- 50 years old
Barnum Brown
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- Role
Donald Johanson
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- Role
- 80 years old
George Gaylord Simpson
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- Role
Gregory S. Paul
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- Role
- 68 years old
Jack Horner
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- 77 years old
Mary Anning
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- Role
Mary Leakey
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Tim White
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- Role
- 72 years old
Walter W. Granger
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- Role