"The underlying spirit of Lovecraft (is) the revolt against civilisation, the feeling that the material success by which the modern world justifies itself is the shallowest of all standards; like Nietzsche, he felt that democracy is the rise of botchers and bunglers and mediocrities against the superior type of man."Lifeforce (1985), which Wilson himself hated.
Wilson was a prolific student of mysticism and the occult, with one of his seminal nonfiction works being The Occult: A History. He also wrote a biography of Aleister Crowley which was rather critical, and was himself interested in telepathy, poltergeists, cryptozoology, UFOs, and the occult in general.
One of his earlier works, The Outsider, is still considered one of the great treatments on the subject of the psychological and social implications of the outsider as a literary and social figure and the concept of alienation in general.
Colin Wilson was a prolific man of letters and a writer of wide experience, and his loss is deeply felt.