David Singleton giving his plenary 23 May 201823 May 2018 3088 × 3088 20180518_090124 Share this:Click to email a link to a friend (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)MoreClick to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window)Like Loading...