She was a tough yet empathetic voice professor at Oklahoma City University for 67 years. Two of her students, Kelli O’Hara and Kristin Chenoweth, won Tony Awards.She was a tough yet empathetic voice professor at Oklahoma City University for 67 years. Two of her students, Kelli O’Hara and Kristin Chenoweth, won Tony Awards.Read MoreBirdwell, Florence (1924- ), Deaths (Obituaries), Theater, Music, O’Hara, Kelli, Chenoweth, Kristin, Colleges and Universities, Actors and Actresses, Voice and Speech, Oklahoma City University