An overdose killed which controversial stand-up comic in Hollywood in 1966?

Which 10-time Oscar nominee played twin sisters in 1946's "A Stolen Life" and 1964's "Dead Ringer"? Which Oscar winner for "Amadeus" made his Broadway musical debut in 1997 in "Triumph of Love"? An osprey feeds mainly on which live prey? Complete the proverb: "An ounce of prevention is worth a ___ of cure." An overdose of alcohol helped kill which Welsh poet on November 9, 1953? Which star died of a barbiturate overdose at her Los Angeles home in August 1962? Which overpowering fear gives its name to a fortified room for hiding from intruders, and to a 2002 Jodie Foster film? An oxide of which light metal, discovered in 1791, is widely used as a white pigment?