Rainbow Quiz - Identify the personality - Week 51

Here is the next weekly "Rainbow" quiz , where I would be giving 7 clues (Hence the name Rainbow) about a personality. Try to discover the person in the least number of clues . You can either leave the answer as a comment / email me . Feedback/ suggestions welcome. Googling is not preferred but then its just for fun and so go ahead if you need to.

A man who fought for equality of Mankind - a fight that seems to continue forever.

clue # 1 :"X" was born in Atlanta, Georgia, USA. His family had a long tenure as pastors of the local Church.

clue # 2 : He graduated with a Bachelor of Arts (B.A.) degree in sociology and then obtained a Bachelor of Divinity (B.D.) degree . He later received a Ph.D from the Boston University .

clue # 3 : On December 1, 1955, Rosa Parks was arrested for refusing to give up her seat to a white man. The famous Montgomery Bus Boycott that ensued was led by "X".

clue # 4 : "X" was an adherent of the philosophies of nonviolent civil disobedience used successfully by "Mahatma" Gandhi, and he applied this philosophy to the protests organized by his movement, which fought for equal rights for blacks.

clue # 5 : "X" organized the historic "March on Washington for Jobs and Freedom " that culminated in his address at the Lincoln Memorial . At the time, it was the largest gathering of protesters in Washington's history. X's "I Have a Dream speech" electrified the crowd.

clue # 6 : In 1964, "X" became the youngest recipient of the Nobel Peace Prize. However a few years later, while standing on the balcony of a motel in Tennessee, he was assassinated. T

clue # 7 : The Presidential Medal of Freedom was awarded posthumously to "X". "X" was the second most admired person in the 20th century, according to a Gallup poll. He was also voted 6th in the Person of the Century poll by TIME.

Who is X?