George Winslow Plummer (1876 – January 23, 1944) was Imperator and Supreme Magus of the Societas Rosicruciana in America from 1909 to 1944.
The formation meeting took place on June 1, 1867 in Aldermanbury, London, with Robert Wentworth Little elected Supreme Magus.
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The transition of this member, Illustrious Frater Sylvester Clarke Gould, late of Manchester, N. H., on July 19, 1909, prevented the fulfillment of his personal ambition, and the actual work of organization and institution devolved upon the Imperator and Supreme Magus of the Society, George Winslow Plummer, who had received full initiation
Societas Rosicruciana in Anglia | Societas Rosicruciana | Societas Perfecta | Societas Linguistica Europaea | Fraternitas Rosicruciana Antiqua |
Westcott provided Reuss with a charter dated July 26, 1901 for the Swedenborgian Rite of Masonry and a letter of authorization dated February 24, 1902 to found a High Council in Germania of the Societas Rosicruciana in Anglia.