Dempsey William Harrison
Demp·sey(dĕmp′sē), William Harrison Known as "Jack." 1895-1983.
American prizefighter who won the world heavyweight title in 1919 but lost it to Gene Tunney in 1926.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.