A consistent audience favorite since he burst onto the small screen as a red-suited alien from planet Ork in 1978, the irrepressible and irreverent Robin Williams fittingly enjoyed one of Hollywood’s most unique careers and long-lasting careers. His classical Juilliard dramatic training coupled with his unequalled talents for improvisation led to award-winning roles as outrageous comic characters in “Mrs. Doubtfire,” as well as subtle and well-observed dramatic figures in “The World According to Garp” (1982), “The Fisher King” (1991) and “Good Will Hunting” (1997)....