William Wynn Westcott (17 December 1848 – 30 July 1925) was a coroner, ceremonial magician, theosophist and Freemason born in Leamington, Warwickshire, England.
He was a Supreme Magus (chief) of the S.R.I.A and went on to co-found the Golden Dawn.
Cropped scan from "Geheimnisse des Unbekannten: Ãœberlieferte Weisheiten und geheime Gesellschaften", Time-Life Books B.V. 1989, second German printing 1991, page 148, ISBN 90-6182-157-6.