Huxley also took the equivalent of about 20 doses of LSD intravenously while on his death bed. His wife shot him up with it, at his request. Huxley died on the same day as JFK and C.S. Lewis.
I was aware that Huxley went out tripping but not the amount!
And for those interested, “Stormin’ Heaven” is a decent exposition of the history of the substance, the government interest, the scientific debates and ultimately it’s evangelisation and associated use, including CIA agents dosing themselves and spiking others at Langley no less and then among intellectuals and students and the general population.