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Mama’s Last Hug: What Animal Emotions Reveal About Humans

March 20, 2019 @ 6:30 pm - 8:00 pm

$10 – $50

6:30 PM Lecture
7:30 PM Book Signing

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New York Times best-selling author and primatologist Frans de Waal explores the fascinating world of animal and human emotions. His new book, Mama’s Last Hug, opens with the dramatic farewell between Mama, a dying fifty-nine-year-old chimpanzee matriarch, and biologist Jan van Hooff. This heartfelt final meeting of two longtime friends, widely shared as a video, offers a window into how deep and instantly recognizable these bonds can be. So begins Frans de Waal’s whirlwind tour of new ideas and findings about animal emotions, based on his renowned studies of the social and emotional lives of chimpanzees, bonobos, and other primates.

De Waal discusses facial expressions, animal sentience and consciousness, Mama’s life and death, the emotional side of human politics, and the illusion of free will. He distinguishes between emotions and feelings, all the while emphasizing the continuity between our species and other species. And he makes the radical proposal that emotions are like organs:  We don’t have a single organ that other animals don’t have, and the same is true for our emotions.

Come for an illuminating discussion about the similarities between animals and humans from a man who has been named to Time magazine’s list of the 100 most influential people.


Leakey Foundation General Admission: $20.00
Leakey Foundation Premium Admission: $50.00 (Includes priority seating in the first rows and a copy of Dr. de Waal’s book)

This event is produced in partnership with the California Academy of Sciences and Commonwealth Club of California.

Sponsored by:
Ann and Gordon Getty
Camilla and George Smith


March 20, 2019
6:30 pm - 8:00 pm
$10 – $50
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Marines’ Memorial Theatre
609 Sutter Street
San Francisco, CA United States
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I [name], of [city, state ZIP], bequeath the sum of $[ ] or [ ] percent of my estate to L.S.B. Leakey Foundation for Research Related to Man’s Origins, Behavior & Survival, (dba The Leakey Foundation), a nonprofit organization with a business address of 1003B O’Reilly Avenue, San Francisco, CA 94129 and a tax identification number 95-2536475 for its unrestricted use and purpose.

If you have questions, please contact Sharal Camisa Smith sharal at 

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