Original: Howard Robard Hughes , Jr. ( December 24 , 1905 -- April 5 , 1976 ) was an American aviator , engineer , industrialist , film producer , film director , philanthropist , and one of the wealthiest people in the world .
Simplified: Howard Robard Hughes , Jr. ( December 24 , 1905 -- April 5 , 1976 ) , was an American businessman and movie producer .