Guests on Meeting of Minds
Season Four:
| Shows 401 and 402 | |
| Margaret Sanger | Jayne Meadows |
| Adam Smith | Sandy Kenyon |
| Mahatma Gandi | Al Mancini |
| Shows 403 and 404 | |
| Niccolo Paganini | Robert Rudie |
| William Blake | Sandy Kenyon |
| Leonardo da Vinci | Harris Yulin |
| Shows 405 and 406 | |
| Catherine the Great | Jayne Meadows |
| Oliver Cromwell | George Innes |
| Daniel O'Connell | Michael McGuire |