What American comedian, actor, singer, producer, director, screenwriter, and humanitarian, had his show replaced by The Hollywood Palace? 
The Hollywood Palace: The Hollywood Palace was an hour-long American television variety show that was broadcast weekly (generally on Saturday nights) on ABC from January 4, 1964, to February 7, 1970. The Hollywood Palace:  Originally titled "The Saturday Night Hollywood Palace", it began as a midseason replacement for "The Jerry Lewis Show", another variety show, which had lasted only three months. Jerry Lewis: Jerry Lewis (born either Jerome Levitch or Joseph Levitch, depending on the source; March 16, 1926 – August 20, 2017) was an American comedian, actor, singer, producer, director, screenwriter, and humanitarian.
Jerry Lewis