Problem: Which modern-day item of clothing was worn at and named after the 1853-56 Crimean War battle/town, part of Sevastopol since 1957?
Answer: balaclava

Problem: What miracle drug was discovered by Alexander Fleming?
Answer: penicillin

Problem: ZZ Tripp is a tribute band to which famous band?
Answer: zz top

Problem: Which surrealist artist, 1898-1967, featured bowler hats in many of his paintings?
Answer:
rene magritte