Meeting of Minds is a television series, created by Steve Allen, which aired on PBS from 1977 to 1981. The show featured actors playing historical figures, but in a talk-show format. Guests included: Plato, Socrates, Aristotle, Thomas Aquinas, Martin Luther, Cleopatra, Marie Antoinette, Florence Nightingale, Thomas Paine, Francis Bacon, Thomas Jefferson, Voltaire, Karl Marx, Charles Darwin, Daniel O'Connell, Catherine II, and Oliver Cromwell.