Mysticism > Aleister Crowley
Aleister Crowley, born Edward Alexander Crowley (1875-1947), was a British occultist and writer, and was greatly influential in the popularisation of occult and the groups the Hermetic Order of the Golden Dawn and Ordo Templi Orientis.

this plan to climb Popo. UTV, 291.

Since Popocatepetl has for the Consul an intensely personl private symbolism, Hugh's frivolous ambition to climb the mountain (especially with Yvonne) has for Geoffrey something of the sense of of a deliberate trampling over sacred mysteries. In his Autohagiography, Crowley gives an account of his chamois-like ascent of the volcano.

Tlamancas.... the Hotel Fausto. UTV, 292.

Tlamancas (commonly Tlamacas) was the route taken by Cortés from Cholula to the Vallery of Mexico and the traditional starting place for expeditions (including Crowley's) that set off to climb Popocatepetl.

A small lodge (described in Crowley's Autohagiography, Pt. 2, p. 32, as "the sulphur ranch") once to be found near Tlamacas; used by Lowry with an awareness of the Faustian theme of aspiration, and with the sense of the irony of L. faustus, "lucky."

Above: Crowley dressed in his Golden Dawn garb, courtesy Wikimedia Commons.
Below: Crowley's "Idealized self-portrait."

Above: Crowley, as pictured in his Autohagiography.
Above: Frontispiece (right), The Book of the Goetia of Solomon the King.
Below: Frontispiece (left), The Book of the Goetia of Solomon the King.