Which president made a historic visit to China in 1972?

Which president faced the Cuban Missile Crisis in 1962? Which president launched the "Great Society" programs? Which president signed the Civil Rights Act of 1964? Which president was in office during the Apollo 11 Moon landing in 1969? Which president brokered the Camp David Accords between Egypt and Israel? Which president was a former peanut farmer from Georgia? Which president was a Hollywood actor before entering politics? Which president said "Mr. Gorbachev, tear down this wall!"?