Overview Bryn Mawr alumna Theresa Helburn (B.A. 1908) had a long and distinguished career behind the scenes on Broadway, and made important contributions to the professions of film and television from the 1930s to the 1950s. As a producer with New York's Theatre Guild from 1919, Helburn served as a literary manager and casting director, before becoming a co-producer, with Lawrence Langner. The Theatre Guild specialized in bringing the highest-quality drama of Europe and America to Broadway stages. ...