Major atagonist in AMC's animated sci-fi drama Pantheon. He invented the soon-to-be-made process which would allowed human minds to be uploaded into the cloud, becoming an "Uploaded Intelligence". Unfortunately he died before he could solve the flaw causing UIs to go insane and burn out after prolonged existence.
Season 1 reveals that Caspien Keyes is a bioengineered clone of Stephen, who he hoped would solve the flaw himself.
In Season 2, Holstrom's brain is revealed to have been preserved, and promptly uploaded into the cloud when Caspien solved the flaw.
