Frans de Waal (1948–2024), author of Mama’s Last Hug, Are We Smart Enough to Know How Smart Animals Are?, and Different: Gender Through the Eyes of a Primatologist, was C. H. Candler Professor Emeritus at Emory University. He lived in Atlanta, Georgia. Carl Safina is a Stony Brook University endowed professor and the recipient of a MacArthur “genius” fellowship. His writing has appeared in the New York Times, Time, the Guardian, Audubon, and National Geographic. He lives in East Setauket, New York.