Which president, an amateur pianist, often entertained White House guests in the 1940s?

A historic partnership began in 1851 when Susan B. Anthony met which woman in Seneca Falls? What alliterative nickname was given to the Beatles in the 1960s? What is an alluvial deposit at the mouth of a river called? An amateur golf trophy first awarded in 1958 is named for which president? Which word means both an amateur radio operator and a cut of pork? "An American Daughter" by which playwright of "The Heidi Chronicles" opened on Broadway in 1997? Which 1985 Larry McMurtry epic follows a cattle drive from Texas to Montana? A 1974 American folklore stamp featured the Headless Horseman and Ichabod Crane from which tale?