Which 10-time Oscar nominee played twin sisters in 1946's "A Stolen Life" and 1964's "Dead Ringer"?

An order was given in October 1961 to remove whose body from Lenin's tomb? The organ built at Wanamaker's department store in Philadelphia has nearly 30,000 of which parts? The "R" in the 1970 RICO Act refers to people engaged in which organized illegal activity, such as extortion? Which witty writer, an Algonquin Round Table member, earned an Oscar nomination for co-writing the 1937 film "A Star Is… 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 killed which controversial stand-up comic in Hollywood in 1966?