"American Prometheus" is a biography of which physicist, who died in 1967?

Which American twin brothers, born May 10, 1957, won Olympic gold and silver in slalom in 1984? What word, famous from a long-running American TV dance show, names a platform for an orchestra? Which American pilot evaded capture on the ground behind enemy lines in Bosnia for six days in 1995? Which Beat poet wrote "Howl"? American Turf Monthly has covered which sport since 1946? Which first lady won Americans' hearts with a televised tour of the White House on February 14, 1962? Americans fought in the Abraham Lincoln Battalion in which 1936-39 conflict? Americans lost which June 17, 1775, battle at Charlestown, Massachusetts, after running out of ammunition?