ShowMeCon 2019, Kevin Johnson's 'The Great Explainer: Feynman And Standing On The Shoulders Of Giants' → July 10, 2019 by Marc Handelman in ShowMeCon, Irongeek, Information Security, Education, Conferences Videography Credit: Irongeek (Adrian Crenshaw, et al.)Please visit Irongeek for additional videographer credits and important information. Enjoy!