Jo Estill

Jo Estill
At the award of her honorary doctorate in London in 2004
Born
Josephine Antoinette Vadala

(1921-04-25)April 25, 1921
Donora, Pennsylvania, United States
DiedDecember 9, 2010(2010-12-09) (aged 89)
Santa Rosa, California, United States
Known forVoice research and the development of Estill Voice Training

Josephine Antoinette Estill (née Vadala; April 25, 1921 – December 9, 2010), known as Jo Estill, was an American singer, singing voice specialist and voice researcher. Estill is best known for her research and the development of Estill Voice Training, a programme for developing vocal skills based on deconstructing the process of vocal production into control of specific structures in the vocal mechanism.