This episode of Marginalia originally aired on July 7, 2016. Are We Smart Enough to Know How Smart Animals Are? was released in paperback on April 4, 2017. - This episode features a conversation I had recently with Dr. Frans de Waal, a Dutch primatologist and ethologist. You might recognize him as one of Time magazine’s 100 Most Influential People. Or maybe you’ve watched one of his TED Talks. I caught up with him in Atlanta, where he’s the C.H. Candler Professor in Emory University’s Psychology