"Shadows" (1959) was the groundbreaking directing debut of which actor?

In 1959, NASA introduced John Glenn, Alan Shepard and the rest of the seven astronauts of which program? Which 375-voice choir had a 1959 hit with "Battle Hymn of the Republic"? In 1959, which jazz bandleader with an aristocratic nickname received the NAACP's Spingarn Medal? Mary Ann Mobley, Miss America 1959, played Maggie Drummond on which Gary Coleman sitcom? In which 1960 film does Elvis Presley play Army specialist Tulsa McLean, stationed in West Germany? Which comedian released the 1960 album "The Button-Down Mind Strikes Back!"? In 1960, construction began on Egypt's High Dam at which location on the Nile? In which 1960 film does a psychiatrist say that matricide is "the most unbearable crime of all", especially for the son…