Rob Sheridan finished college in 1979.
"While the original Sketchblog doesn't exist anymore and has been redirected to the homepage [1], Sheridan still offers prints and other merchandise of his artwork on his webstore [2] and Patreon
  In 2007 he began posting artwork and releasing prints on his Sketchblog, which he described as "an exercise in creative discipline - an attempt to get myself to draw more and play around with images and ideas that wouldn't fit in my professional work

