Problem: Which Russian man won both the 100 and 200m gold medals at the 1972 Olympic Games?
Answer: valery borzov

Problem: What does a deltiologist collect?
Answer: picture postcards

Problem: In 1849 US mechanic Walter Hunt patented what multi-billion-selling and punk rock device?
Answer: safety pin

Problem: Hook and ladder, flea flicker, and fumblerooski are trick plays used in what sport?
Answer:
football