william hanna met at least one american
in 1937  while working at metrogoldwynmayer lrb mgm rrb  hanna met joseph barbera
joseph roland  joe  barbera lrb lsb brbr rsb or lsb brbr rsb  lsb barbra 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