Jaak Panksepp was born on June 5, 1943 in Tartu, Estonian SSR, USSR. He is known for his work on Nature (1982), Natural World (1983) and Bounce: How the Ball Taught the World to Play (2015). He was married to Anesa Miller, Janet Box and Sara Shilts. He died on April 18, 2017 in Bowling Green, Ohio, USA.