Viola Spolin was an American actor and teacher who developed the first professional theatre based on improvisational acting.
Vsevolod Meyerhold was an innovative Russian who developed a system of actor training known as Biomechanics. He was executed under Stalin's regime.
William Henry Alexander Brown is considered to be the first known black playwright in America.
William Ivey Long is a multi Tony Award-winning costume designer, working extensively across stage and screen over the last 40+ years.