This one’s a bit different. It features Cornelia Otis Skinner, co-writer (along with Emily Kimbrough) of Our Hearts Were Young and Gay, as the mystery celebrity on What’s My Line? in 1959.

http://www.youtube.com/watch?v=zlVbsG3DITk

If you have never read the book Our Hearts Were Young and Gay (or watched the charming film adaptation), you should go rectify that now.