Mamie Eisenhower was married to which president?

Which president served from 1953 to 1961? In what year did Dwight D. Eisenhower first take office as President? Under which president did Richard Nixon serve as Vice President? Who was First Lady during Dwight D. Eisenhower's presidency? Which number president was John F. Kennedy? Who succeeded John F. Kennedy as President of the United States? Who was President immediately before John F. Kennedy? Which political party did President John F. Kennedy belong to?