<p>Tom Stoppard’s last play — the most prodigious of playwrights passed away in November of last year at the age of 88 — was also his most personal. He even inserted a fictionalized version of his younger self in a contemplative final scene, in which he wrestled intellectually and emotionally with the fact that his exceedingly fortunate life could so easily have been otherwise but for a fluke of historical fate. His family escaped Czechoslovakia the very day the Nazis invaded.</p><p>“Leopoldstadt” tells the story of an affluent, extended Jewish family in Vienna in the first half of the 20th century.