Robert Joseph Thomas (January 26, 1922 – March 14, 2014) was an American film industry biographer and reporter who worked for the Associated Press from 1944 to 2010.

[2] Thomas first joined the Associated Press in Los Angeles in 1943, where he aspired to be a war correspondent.

However, he was assigned as a correspondent in Fresno, California, where he stayed for more than a year before quitting.

He returned to the Los Angeles bureau in 1944 and was appointed as their entertainment reporter.

[3] During his career at the AP, Thomas authored at least 30 books, most of them biographies of prominent film industry personalities, including Irving G. Thalberg, Joan Crawford, Marlon Brando, and Walt Disney.