Frans de Waal—visionary primatologist, humble ape, and beloved mentor to me and so many others—left us too soon. It's impossible to convey the depth of his impact on our lives and on the field, but here are a few attempts...
Obituary in Current Biology, co-authored with Richard Wrangham
In Memoriam in the American Journal of Primatology, along with many of Frans's other students
Tribute for the European Federation for Primatology website
Profile in de Volkskraant
Photo of Frans and me taken at his home in Stone Mountain, Georgia during his 2014 festschrift