It is 70 years since a Swiss chemist stumbled upon the controversial hallucinogenic drug. His name was Dr Albert Hoffman. He thought it could be used in psychiatry but he later came to refer to LSD as his 'problem child'.
Photo: LSD tabs.Press Association.
Available Podcasts from Witness History: Archive 2013
Subscribe to Witness History: Archive 2013
We are not the BBC, we only list available podcasts. To find out more about the programme including episodes available on BBC iPlayer, go to the Witness History: Archive 2013 webpage.