Edgar is a male Tau'ri and he is a scientist and is a member of Atlantis expedition. In 2005 was Lt. Colonel John Sheppard asked him helped with making some updates to an Puddle Jumper who was able to go under water. He is responsible for the magnetic grapple is bringing F-302 fighter-interceptor in Atlantis' Jumper bay. He helped a few others to create a shield around Gateships that would allow it to go down several hundred feet into the sea to pick up Dr. Rodney McKay from Jumper 6, which had sunk to the bottom. He managed to make Sheppard's Puddle Jumper ready. (SGA: "Grace Under Pressure")