Topaze is a 1928 play by the French writer Marcel Pagnol. It tells the story of a modest school teacher who is fired for being too honest and decides to become a dishonest businessman. The play premiered on 9 October 1928 at the Théâtre des Variétés. It was performed on Broadway in 1930 with Frank Morgan in the title role.
The play has been adapted for film multiple times, most notably in 1933 with John Barrymore in the title role.
Topaze at the Internet Broadway Database