The monument design was based on his famous speech, I Have a Dream, in which he states "Out of the mountain of despair, a stone of hope." See http://washington.org/visiting/experience-dc/mlk-memorial
The action figures that have a connection to Martin Luther King's life.
(Samuel Jackson, Benjamin Banneker, Pres. Obama, Nelson Mandela)
Samuel Jackson- Playing Martin Luther King in the Broadway Play, "On the Mountaintop".
Benjamin Banneker was an author, scientist, mathematician, farmer, astronomer, publisher and urban planner. He assisted in surveying the city that would become the nation's captial. (www.pbs.org/wgbh/aia/part2/2p84.html).
Other winners of the Nobel Peace Price:
President Barack Obama gave a speech at the dedication on Sunday. He won the Nobel Peace Prize in 2009.
Nelson Mandela won in 1993.
The Olmec Toy Company created a Martin Luther King figure in 1992. I do not own this figure but there is a picture on http://www.blackdollcollecting.blogspot.com/ on the January 18, 2010 posting.