A musical giant, a most controversial major figure, a leading musical theater composer in modern American music, and the man who is said to have reinvented the American musical died on November 26, 2021, aged 91. With his fifteen musicals for the stage, Stephen Sondheim was a sophisticated figure and product of Broadway, though not the most commercially successful one. On his death, lights on Broadway were dimmed for one minute in his honor. Sondheim, born of Jewish parents, who manufactured dresses, in New York City, was an aficionado of puzzles. His original ambition was to become a mathematician. He...