Mc·Lu·han(mə-klo͞o′ən), (Herbert) Marshall 1911-1980.
Canadian cultural critic and communications theorist who maintained that the method of communicating information has more influence on the public than the information itself. He coined the expression "the medium is the message" in his book Understanding Media (1964).
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.