From his first appearance as Mork from Ork on the 1970s sitcom Happy Days, Robin Williams was heralded as a singular talent. In the pre-cable television era, he was one of the few performers to successfully transition from TV to film. An Oscar-winning actor and preternaturally quick-witted comedian, Williams became a cultural icon, leaving behind a large and varied body of work when he unexpectedly took his own life in 2014. This...