Biography: From Wikipedia, the free encyclopedia Maurice Ostrer (1896-1975) was a British film executive. He was best known for overseeing the Gainsborough melodramas. He was head of production at Gainsborough Studios from 1943-46. He resigned from the studio in 1946 after a disagreement with J. Arthur Rank who had taken over the studio. He left the film industry and went to work in textiles.