Abstract
Eugene T. Kingsley led an extraordinary life. Born in mid-nineteenth-century New York, in 1890 he was a railway brakeman in Montana. An accident left him a double amputee and politically radicalized, and his socialist activism that followed took him north of the border where he eventually was considered by the government to be 'one of the most dangerous men in Canada'. Able to Leadtraces Kingsley's political journey, starting with his time as a soapbox speaker in San Francisco. As a leading member of the California left, he ran for the US House of Representatives.