A wealthy, if abrasive, Harvard professor quits in the middle of a lecture an...
Q.E.D.
Season 1 Episode 4: 4:10 to Zurich
After discovering a potent nerve agent, an associate of someone with whom Deverill has been working is shot on Deverill's doorstep. With his dying breath, the man gives Deverill a clue about a train to Zurich.