Lumumba Carson (August 4, 1956 – March 17, 2006), known by his stage names Baba Professor X the Overseer, Professor X, or PXO was born the son of Brooklyn-based activist Sonny Carson.

Carson was a founding member of the hip hop group X Clan and was featured in nearly all songs on the albums To the East, Blackwards (1990) and Xodus (1992), before the group went on hiatus. He released two solo albums:Years of the 9, on the Blackhand Side (1990) and Puss 'N Boots (The Struggle Continues...) (1993).

Carson died from complications associated with spinal meningitis in 2006.