Which golfer, the only player to win golf's Grand Slam in a single season, co-founded Augusta National and the Masters?

Both sons of Methodist ministers, which two men were the Democratic presidential nominees in 1972 and 1984? Sophia Loren and her mother worked as extras in which 1951 Robert Taylor epic set during the reign of Nero? Susan Blakely and Jessica Lange both played which troubled Hollywood actress in 1980s films? Which boxer won the 1976 Olympic light welterweight gold medal in Montreal? Both the Declaration of Independence and which 1787 document were signed in Philadelphia's Independence Hall? Botticelli's 1481 fresco of Pope Sixtus II is found in which famous part of the Vatican? Which French sparkling mineral water comes from a spring at Vergeze in the south of France? Which island did the Dutch buy from local Lenape people in 1626?