Claim: William Hanna met at least one American.
Evidence: In 1937 , while working at Metro-Goldwyn-Mayer -LRB- MGM -RRB- , Hanna met Joseph Barbera.
Joseph Roland `` Joe '' Barbera -LRB- -LSB- bɑrˈbɛrə -RSB- or -LSB- ˈbɑrbərə -RSB- ; -LSB- barˈbɛːra -RSB- ; March 24 , 1911 -- December 18 , 2006 -RRB- was an American animator , director , producer , storyboard artist , and cartoon artist , whose film and television cartoon characters entertained millions of fans worldwide for much of the 20th century.