Mervyn LeRoy: Mervyn LeRoy. Producer: The Wizard of Oz. The great San Francisco earthquake and fire of 1906 was a tragedy for Mervyn LeRoy. While he and his father managed to survive, they lost everything they had. To make money, LeRoy sold newspapers and entered talent contests as a singer. When he entered vaudeville, his act was "LeRoy and Cooper--Two Kids and a Piano". After the act broke up he contacted his...