Harold Duane Vietor was born in 1931.
A Vietor triangle is a graphic representation of vowel sounds. Wilhelm Vietor, a German philologist and phonetician generated this. It demonstrates that the position of the jaw and tongue according the vowel sounds when speaking.
Duane Wager was born in 1879.
Duane Finley was born in 1979.
Duane Horsman was born in 1937.
Duane Alexander was born in 1940.
Duane Butler was born in 1973.
Duane Andrews was born in 1972.
Duane Wylie was born in 1950.
Duane Michals was born in 1932.
Duane Clarridge was born in 1932.
Duane Simolke was born in 1965.
Duane Swank was born in 1953.