Robert Stigwood

Robert Colin Stigwood (16 April 1934 – 4 January 2016) was an Australian-born British-resident music entrepreneur, film producer, and impresario, best known for managing musicians such as Cream, Andy Gibb, and the Bee Gees; theatrical productions such as ''Hair'' and ''Jesus Christ Superstar''; and film productions, including ''Grease'' and ''Saturday Night Fever''. Provided by Wikipedia