Lea ‧ ry, Tim ‧ o ‧ thy /ˈlɪ ə ri, ˈtɪməθi/ BrE AmE
(1920–96) an American writer and ↑ psychologist who believed that controlled use of the drug LSD could change people’s lives in a positive way. He is known for saying ‘Turn on, tune in, drop out’. In 1963 he was forced to leave his job as a ↑ psychology ↑ professor at Harvard University because he had been doing ↑ experiment s with LSD on students. He continued his experiments at a large house in New York called Millbrook, but was put in prison. The Weather Underground Organization, a ↑ communist ↑ terrorist group, helped him to escape, but he was later caught in Switzerland and taken back to the US.