Mr. Know it All Segment (Professor Melvin Engelstein)

I will answer viewer questions from the peanut gallery:

Jack Benny
https://en.wikipedia.org/wiki/Jack_Benny (Benjamin Kubelsky)
Mary Livingstone (Sadya Marcowitz)
https://en.wikipedia.org/wiki/Mary_Livingstone
JFK
Tate-Folger-Labianca
Jose Menedez

A big thank you to Juxtaposition for showcasing this segment.