Koko”s New Research Assistant

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Photographer: Gary Stanley

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Valerie Chalcraft, who is coming on board as a research assistant in February, poses with Drs. Penny Patterson, Ron Cohn and Ron”s adopted son Anthony, at her acceptance dinner. Valerie completed her Ph.D. dissertation at the University of Nevada, Reno, performing linguistic analysis of the sign language capabilities of chimpanzees.

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