Bing, Sir Rudolf Franz Joseph

British operatic impresario (b. Jan. 9, 1902, Vienna, Austria--d. Sept. 2, 1997, New York, N.Y.), directed the Metropolitan Opera through one of its most turbulent periods (1950-72). The son of a Viennese industrialist, Bing grew up in a musical household. Although he studied voice in his teens, he soon started working for a bookstore that expanded its business into concert and opera management. He moved