he was born on 1915
Leo Gerstenzang died in 1973.
Polish-born American Leo Gerstenzang in the 1920's, innovated it form his wife.
Leo Gerstenzang invented cotton sawbs
Chicago, after witnessing his wife put a piece of cotton on a toothpick and cleaning makeup from her eye.
Q-tips
Adolph Gerstenzang has written: 'High speed typing'
Leo Goldberg was born in 1913.
Leo Lionni was born in the Netherlands.
Leo III the Isaurian was born in 685.
Leo Rosner was born in 1918.
Leo Pescarolo was born in 1935.
Leo Urvantzov was born in 1865.