Kurt Kaiser (3 November 1906 – 24 May 1970), better known as Sydney John Kay, was a German-born composer, musician and theatre entrepreneur. Biography Germany Born in Leipzig, Germany of Peruvian-Jewish descent, he originally pursued an engineering career in Berlin, but in 1927 he joined the German-Jewish showband The Weintraub Syncopators as a musician. He appeared with them supporting Marlene Dietrich in The Blue Angel (1930). After the Nazi's came to power in 1933, the Syncopators went on a world tour, and were in Sydney when war was declared. Australian career Kaiser was interned during the early days of the war, but was eventually released, changing his name in honour of his new home, Sydney. He became musical director for the Colgate-Palmolive radio unit, and was involved in theatre, running Sydney's Theatre for Children (1944–45) and co-founding the Mercury Theatre with Peter Finch. He produced the famous production of Molière's The Imaginary Invalid that was seen by Laurence Olivier and Vivien Leigh which led to them inviting Peter Finch to England. Kay also composed for various Australian films, documentaries, orchestras and ballets. Move to England He then moved to England where he worked steadily in British film and television. He also composed for the stage. Selected credits The Blue Angel (1930) – musician Harvest Gold (1945) – composer A Son is Born (1946) – composer Bush Christmas (1947) – composer Captain Thunderbolt (1953) – composer The Back of Beyond (1954) – composer The Adventures of Long John Silver (1955) (TV series) – composer The Adventures of William Tell (1958) (TV series) – composer References External links Sydney John Kay Australian theatre credits at AusStage Sydney John Kay at National Film and Sound Archive Jewish emigrants from Nazi Germany to Australia Jewish composers 1906 births 1970 deaths Australian male composers Australian composers Musicians from Sydney Australian theatre managers and producers 20th-century German composers 20th-century Australian musicians 20th-century German male musicians