A native of Prague, this 
A native of Prague, this German left his position at Frankfurt for the U.S. when the Nazis rose to power, and spent the last ten years of his life teaching at the New School for Social Research in New York City before his death in 1943.  His study of the phenomenon of apparent movement led to the creation of a new school of psychological thought, the principles of which were published posthumously in the book Productive Thinking.  For ten points name this man, who, with Wolfgang Kohler and Kurt Koffka, founded Gestalt.
A native of Prague, this German left his position at Frankfurt for the U.S. when the Nazis rose to power, and spent the last ten years of his life teaching at the New School for Social Research in New York City before his death in 1943.  
Max Wertheimer