Martin Luther King Day: How well do you know MLK? Take the quiz!
In the 50s and 60s Martin Luther King Jr., a black Southern reverend who advocated non violent, peaceful resistance, became the voice of the civil rights movement. Test your knowledge of one of America's greatest men in this quiz.
Question 2 of 20
2. King earned his doctorate from Boston University. In what field?
James 'Plunky' Branch plays his soprano saxophone near the Martin Luther King, Jr., Memorial in Washington, in August 2011. (Susan Walsh/AP)
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