Henry Todd (mountaineer)

Henry Barclay Todd (2 March 1945 – 3 November 2025) was a Scottish drug dealer, mountaineer and climbing expedition organiser. He played a central role, during the 1970s, in one of the world's largest LSD manufacturing operations. This drugs ring was broken up by Operation Julie and he was sentenced to 13 years of imprisonment, serving seven. After his release, he became one of the pioneers of commercial expeditions to Mount Everest and other Himalayan peaks over the twenty-year period from 1995.