What two topics has the writer of songs for an NBC television series lectured on?
That Was the Year That Was: That Was the Year That Was (1965) is a live album recorded at the hungry i in San Francisco, containing performances by Tom Lehrer of satiric topical songs he originally wrote for the NBC television series "That Was The Week That Was", known informally as "TW3" (1964–65). Tom Lehrer:  He has lectured on mathematics and musical theater.
mathematics and musical theater