Richard Donchian Circa 1978: Timeless for Trend Trading Posted on November 20, 2009January 6, 2018 by Michael Covel Read: PDF. More. Share this:Click to print (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)