Posted on June 24, 2013 by Shaun DhaniThe Surprising History of the Pencil | Brain Pickings The Surprising History of the Pencil | Brain Pickings. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pocket (Opens in new window)Click to share on Tumblr (Opens in new window)Like Loading...