like huxley and ginsberg, kesey understood but rejected. he believed that a crackdown sd wasn't that -- was inevitable. he said you need to flood the country so fast with lsd that the authorities could not crack down on it. in 1965, he began to stages test -- to stage his acid test in san francisco. at the acid test, who were lured there by the music, the participants were given a chance to take lsd at the concert. the jefferson airplane showed up, their name stood for free trip. in 1965 and 1960 six the san francisco ban, the grateful dead, janis joplin, the big brother rose to prominence while lsd was no longer distributed for free. many arrived already stoned. lsd became rampant in the bay area and 1966 until the state of california and the u.s. government banned it in october of 1966. it remained available but riskier after that. you never knew about the safety of it. all of this would lead to the summer of love in san francisco in 1967. 50 years ago. about 75,000 young people, some of them high school students, some of them college stu