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 Ackerson was born in 1942.
Duane Buck was born in 1963.
Duane Hudson was born in 1910.
Duane Solomon was born in 1984.
Duane Washington was born in 1964.
Duane Ross was born in 1972.
Duane Rupp was born in 1938.
Duane Beeson was born in 1921.
Duane DeSoto was born in 1978.
Duane Thompson was born in 1903.
Duane Butler was born in 1973.