Since the RF is documented to have funneled CIA money for LSD research (in Norman Ohler's recent book Tripped), with other projects outside the US like McGill University, it's not hard to believe that's what happened here (likely in coordination with MI6).
Interesting. Humphrey Osmond & Dr. John Smythies, were at St.Georges few years prior to this time frame.
Since the RF is documented to have funneled CIA money for LSD research (in Norman Ohler's recent book Tripped), with other projects outside the US like McGill University, it's not hard to believe that's what happened here (likely in coordination with MI6).