21) Who wrote the 1978 novel "The Hitchhiker's Guide to the Galaxy"?
22) What was the name of the first Space Shuttle launched in 1981?
23) Who was the first African-American US Supreme Court Justice?
24) In what year did The Beatles break up?
25) What is the highest grossing film of all time (adjusted for inflation)?
26) What was the longest running Broadway Musical of the 1970s?