Darn, Frybabe, I'm afraid I don't remember Malcolm Muggeridge on the Paar show. I thought I remembered all of them. I do remember Dody Goodman, Genevieve (she died not long ago), Oscar Levant, Cliff Arquette (Charlie Weaver), Peter Ustinov, etc. Wonderful, all.
I also really liked the Steve Allen show. So sad that the studio destroyed all the tapes of his programs. I remember he made famous Don Knotts, Tom Poston, Louie Nye (as Gordon Hathaway..."Hi, ho, Steverino"), Bill Dana (My name... Jose Jimenez), Steve Lawrence and Eydie Gorme and so many others.
Those were the shows where real conversation, and good comedy, were king.