He taught thousands, and his debate teams won countless national and international championships through the years. King graduated from Morehouse in 1948.
Other notable names who studied under Freeman's tutelage include late Reps. Barbara Jordan and Mickey Leland, as well as Grammy Award-winning gospel singer Yolanda Adams, ABC reported.
Freeman served as a consultant for the 2007 film “The Great Debaters” after Academy Award-winning actor Denzel Washington needed someone to coach up the actors in the film.
Several lawmakers posted tributes to the late centenarian on Twitter.
Only days ago, Freeman and his wife, Clarice, gave an interview with Houston ABC affiliate KTRK on their secret to a 67-year marriage, the network reported.
The university has established a memorial fund in Freeman's name that will help to continue the Texas Southern's Debate Team program.