Edison
From The Stargate Omnipedia
Reconnaissance team leader for the Atlantis expedition. One of his lieutenants, Toriel, was once the only member of his team who did not possess the Ancient gene.
Edison was likely a part of John Sheppard's strike force dispatched to M6R-867 to steal a Zero Point Module from Ladon Radim.
DETAILS
PLAYED BY -
FIRST APPEARED - Title
KEY EPISODE
Coup D'etat - Dr. Weir explains to Ronon and Teyla that the only member of Edison's team who does not possess the Ancient gene is Toriel.