Reading this, I'm reminded of Kary Mullis, inventor of PCR (polymerase chain reaction). PCR is widely considered to be the most important discovery of modern biology, ushering a new era of scientific research after he invented it in the 1980s. He won a nobel prize for it. Kary was a bit off though (in this case due to intense drug usage, I think). Afterwards, he went on to deny that HIV is the cause of AIDS, tried to…
Not exactly drug induced or a mental Illness but Ronald Fisher, arguably the father of modern statistics, went to great lengths to prove cancer caused smoking due to his personal convictions[1]. [1] http://www.epidemiology.ch/history/PDF%20bg/Stolley%20PD%201... Even when you're talking about geniuses it's important to separate the wheat from the chaff.
I thought you typed that backwards, but skimming your link, that is indeed what he claimed!