Fritz Strack accepts the 2019 Ig Nobel Prize in Psychology at the 29th First Annual Ig Nobel Prize Ceremony...
Fritz Strack of Germany accepts the 2019 Ig Nobel Prize in Psychology for the study "Inhibiting and facilitating conditions of the human smile: a nonintrusive tester the facial feedback hypothesis" at the 29th First Annual Ig Nobel Prize ceremony at Harvard University in Cambridge, Massachusetts, U.S., September 12, 2019. REUTERS/Brian Snyder