Blacklisted as a result from being an "unfriendly witness" when he
testified during the dreaded House Committee on Un-American Activities
in the 1950s. As a result, his career was so damaged that he and his
family moved to England, UK. For 12 years, he was forced to use phony
names and "front" writers. One of several screenwriters blacklisted in
Hollywood during the Red Scare of the 1950s.