At 81, which Pennsylvanian was the oldest delegate at the 1787 Constitutional Convention?

Harney Peak, at 7,242 feet, is the highest point in which South Dakota hills? Mount Kosciuszko, at 7,310 feet, is the highest mountain on the mainland of which country? Mount Orohena, at about 7,300 feet the highest point in the Society Islands, is on which island? At age 80, who stepped down as president of the National American Woman Suffrage Association in 1900? At 8:15 a.m. on the 6th day of which month in 1945 was an atomic bomb dropped on Hiroshima? At about 825,000 acres, Texas's King Ranch is bigger than which U.S. state? Which president gave the longest inaugural address, about 8,445 words, and then served only about a month in office? Whose fortune peaked around $900 million, about 2% of the U.S. GNP, but was down to about $26 million at his death in 1…