Penny delivers her talk, titled, “Responsibility and Love Across Species: Gorilla Koko as Model, Mirror, and Ambassador” at the Dignity of the Animal symposium in Basel, Switzerland in March 2001.
Penny Gives a Talk in Switzerland
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Photographer: Sonya Elder
![](https://www.koko.org/wp-content/uploads/2010/03/010605_PennyTalkSwitzerland.jpg)