Ken Kesey never recovered from the operation and died on November 10, 2001, at the age of 66.
Ken Kesey was born in La Junta, Colorado to Frederick A. Kesey and Geneva Smith Kesey who were both dairy farmers.
Ken Kesey was also purported to have experimented with LSD with Ringo Starr in 1965, perhaps influencing the set up for their future performances in the UK.