The Forgotten Man
"When the adventurers decide to help a man who has lost his memory, little do they realize he’s Gethirah Kugothan, the notorious anti-paladin! Can the man they know as “Michael” leave his evil past behind and become a champion of good? The answer lies in Gethirah’s former stronghold, a magnificent castle perched atop a waterfall." - Christopher Perkins
From the magazine:
"The Forgotten Man" is an AD&D adventure designed for 4-5 PCs of levels 6-8 (about 35 total levels)... This adventure focuses on Gethirah Kugothan (also known as Michael), a formerly evil man whose memory has since taken up residence in a church of the god of rebirth and renewal. The premise of the adventure hinges on the possibility that such a man can be turned from the path of evil and become good. The main goal of the PCs is to keep Gethirah from becoming the man he used to be.