Which 1947 act aimed, among other things, to prevent major strikes that would cause national emergencies?

Which scientist was among the first to receive his own polio vaccine in 1952, along with his wife and three sons? Joan Collins and Christie Brinkley were among the jet-setters who took a final ride on what in 2003? Which 1962 film was based on a novel by Harper Lee? Which British novelist wrote the poems "Men in New Mexico" and "Autumn at Taos" in the 1920s? Upon retiring in 1989, which NBA star held records for most regular-season points and most playoff points (5,762)? Whose 1988 album "Simple Pleasures" included "Don't Worry, Be Happy"? Benjamin Guggenheim and J. Bruce Ismay were among the passengers on which ship that set sail on April 10, 1912? The abs, pecs and biceps are all what?