He also received a master 's degree from TCU in 1939 , writing his thesis on the U.S. campaign against Mormon polygamy .
In Fort Worth , Poll studied at Texas Christian University ( TCU ) , completing a bachelor 's degree in history in 1938 .
He also received a master 's degree from TCU in 1939 , writing his thesis on the U.S. campaign against Mormon polygamy .
In Fort Worth , Poll studied at Texas Christian University ( TCU ) , completing a bachelor 's degree in history in 1938 .