When Did Harry Ackerman Die?

Harry Stephen Ackerman was an American television producer, credited with creating or co-creating twenty-one series, seven of which were at one time being broadcast simultaneously. Some of the sitcoms in which he was involved in production during the 1950s and 1960s are also among the most popular American shows in the early history of television, such as Father Knows Best, Dennis the Menace, Leave It to Beaver, The Farmer's Daughter, Hazel, Bewitched, The Flying Nun, and Gidget.