Problem: Who received a reported $25 million for a 1995 boxing match that lasted 89 seconds?
Answer: mike tyson

Problem: "Who painted mostly in egg tempera, is best known for ""Christina's World"", and whose common subject was Helga Testorf?"
Answer: andrew wyeth

Problem: Which Shakespeare play features Rosencrantz and Guildenstern?
Answer: hamlet

Problem: What appeared in the Netherlands in 1608, developed by Hans Lippershey, Zacharias Janssen and Jacob Metius, and improved by Galileo in 1609?
Answer:
refracting telescope