Multiple choice general knowledge Knock knock! Who's there? Mata Hari. Mata Hari, who are you? Indian Spiritual Teacher Spy Poltician Scientist Reveal answer Fill a bubble to check yourself B Correct answer Explanation Mata Hari was a Dutch exotic dancer and courtesan who was convicted of being a spy for Germany during World War I. She was executed by France in 1917 and is one of history's most famous spies.