Problem: What stage character is based on a real life medieval merchant, politician and Mayor of London?
Answer: dick whittington

Problem: Cusco was the capital city of what civilisation?
Answer: inca

Problem: What was the capital of West Germany from 1945 to 1999?
Answer: bonn

Problem: Which chemist discovered oxygen in 1774, calling it 'dephlogisticated air'?
Answer:
joseph priestly