Martin Luther King Jr., a reverend and civil-rights activist, was assassinated at 39. However, he inspired several movements and political changes.

Between 1957 and his assassination on April 4, 1968, at age 39, Martin Luther King Jr. gave 2,500 speeches, wrote sermons and homilies and published five books. Meanwhile, the number of books written about King surely number in the thousands.

Martin Luther King, Jr. (January 15, 1929-April 4, 1968) was one of the most prominent leaders of America's Civil Rights Movement in the 1950s and 60s. His words and actions have left a lasting mark on America and the world as a whole,