His American Securities Corporation invested in other business including AMETEK and Western Union International .
William Rosenwald ( August 19 , 1903 -- October 31 , 1996 ) was an American businessman and philanthropist .
William Rosenwald 's American Securities Corporation invested in other business including AMETEK and Western Union International .
William Rosenwald ( August 19 , 1903 -- October 31 , 1996 ) was an American businessman and philanthropist .