
Consequently, he slowly lost his sanity, his schizophrenia completely taking him over. Having only two anti-psychotic pills left, he kept them for the day GLaDOS would wake Chell. Rattmann then spent the next several months surviving in the Test Chambers and maintenance areas of Aperture. Ever." Convinced she is the one he needs to stop GLaDOS, he put her on top of the Test Subject list, so that she would be the first to be picked in the next test. It said that she should not be tested, as she is abnormally stubborn and " Never gives up. He fled to the file room and found her file. Rattmann got a hunch about a Test Subject, Chell, who he thought could make a difference. She attempted to convince him that his situation was a result of his paranoia, but he ignored her. Rattmann was one of the only survivors, and GLaDOS turned onto taunting him about his schizophrenia.

When GLaDOS was activated in 200-, she became self-aware, locked down the facility, and flooded the Enrichment Center with deadly neurotoxins. Rattmann believed it was insufficient to stop her murderous intentions, arguing that " you can always ignore your conscience." Henry asked him to turn it on, then Doug asked him what it was, to which Henry answered that it was the latest in AI inhibition technology, that it would act on GLaDOS as her conscience. Later, Doug came across Henry while he was designing the Morality Core. Doug was not convinced by this since GLaDOS attempted to kill everyone each time she was turned on, forcing them to switch her off.

Henry praised their technological advances, stating that artificial consciousness is the next frontier. Rattmann and Henry chat while the latter is working on GLaDOS.Īt some point late in GLaDOS' construction, Doug went to see his colleague Henry while he was working on the AI in his chamber. He apparently never directly took part in the construction of GLaDOS.

He had access to Aperture Science's bulletin board system, with the login "drattmann" and the password "h0nee". When working for Aperture Science, Rattmann was charged with the maintenance of the Aperture Image Format, an interactive graphics format created in 1985.
