Quote Origin: We Shape Our Tools, and Thereafter Our Tools Shape Us

Marshall McLuhan? Winston Churchill? Henry David Thoreau? Robert Flaherty? Emerson Brown? John Culkin? William J. Mitchell? Anonymous? Dear Quote Investigator: The famous media theorist Marshall McLuhan has been credited with a brilliant adage about the co-evolution of humans and tools. Here are two versions: I have not been able to find a good citation. Would …