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Dorothy Cheney; studied apes' communication

Nov 20, 2018 - Philadelphia Inquirer

Dorothy L. Cheney, 68, of Devon, a University of Pennsylvania professor who with her husband, Robert Seyfarth, produced groundbreaking research on the communication, cognition, and behavior of baboons and other monkeys living in the wild, died Friday, Nov. 9,of metastatic breast cancer at her home.

The couple's work changed the field of primatology in two important ways, said professor Joan Silk of Arizona State University, an anthropologist and colleague. They were the first to ask: What ...