"The most notorious occultist of the 20th century — and one of its most intellectually serious. Both things are true simultaneously."
Edward Alexander Crowley was born on October 12, 1875, in Leamington Spa, England, into a wealthy family of Plymouth Brethren — a strict Protestant sect. His father, whom he adored, died when Crowley was eleven. His mother, whom he did not, called him "The Beast" — a name from the Book of Revelation that he would embrace and wear for the rest of his life with characteristic theatrical relish.
He studied at Cambridge, where he read philosophy and developed an early passion for chess, mountaineering and poetry — pursuits he pursued at an elite level. He was a genuinely gifted poet and a seriously accomplished mountaineer who participated in early attempts on K2 and Kanchenjunga. None of this is what he is remembered for.
In 1898 Crowley joined the Hermetic Order of the Golden Dawn — the most influential magical organisation in the English-speaking world, which counted W.B. Yeats and Arthur Machen among its members. He rose rapidly through its grades, came into violent conflict with its leadership — particularly with Samuel Liddell MacGregor Mathers — and was eventually expelled. He went on to establish his own system.
In 1904, in Cairo, Crowley claimed to have received a transmission from a discarnate intelligence called Aiwass — the result of which was The Book of the Law (Liber AL vel Legis), the founding text of Thelema. Its central axiom — "Do what thou wilt shall be the whole of the Law" — became both his most famous statement and his most misunderstood. Crowley spent the rest of his life elaborating the Thelemic system.
He founded the A∴A∴ (Astrum Argentum) magical order and later became head of the Ordo Templi Orientis (O.T.O.) — through which he transmitted his system of Magick to the world. He wrote prolifically — poetry, fiction, philosophy, magical instruction — and courted controversy with the systematic dedication of a performance artist. The British press dubbed him "The Wickedest Man in the World," a title he did nothing to discourage.
Crowley died on December 1, 1947, in a Hastings boarding house — addicted to heroin, virtually penniless, but intellectually active to the end. His influence on subsequent occultism, on rock music (the Beatles included him on the Sgt. Pepper cover; Led Zeppelin's Jimmy Page bought his former home), and on contemporary magical practice has been enormous.
Crowley's personal conduct was by any reasonable standard harmful — to himself and to many people around him. Multiple followers suffered serious psychological damage from involvement in his magical workings. Several of his intimate partners and disciples ended in poverty, addiction or mental breakdown. He was manipulative, exploitative and entirely willing to use people as instruments of his magical experimentation. This is documented, not merely alleged.
The heroin addiction that dominated his later life was both a personal tragedy and a practical limitation on the quality of his later work. He began using heroin as a prescribed treatment for asthma — and never escaped it. The Confessions and much of his later writing show the toll this took.
"Do what thou wilt" has been catastrophically misread — including by some of Crowley's own followers — as a simple endorsement of doing whatever one wants. This is precisely the opposite of what he meant. The True Will in Thelema is the soul's deepest purpose, not the ego's passing desires. The misreading has caused real harm.
The deliberate provocation that characterised his public persona makes it genuinely difficult to separate authentic spiritual teaching from theatre, ego and self-mythology. Crowley cultivated his own notoriety with such enthusiasm that the image has largely consumed the man. Serious engagement with his actual ideas requires cutting through decades of accumulated scandal and sensationalism — in both directions.
Finally — Crowley held and expressed deeply racist, misogynistic and antisemitic views in his writings — views that cannot be explained away by the era alone and that appear in his magical writings, not just his private correspondence. These are real and serious problems in his legacy.
"The joy of life consists in the exercise of one's energies, continual growth, constant change, the enjoyment of every new experience."