George Winslow Plummer
George Winslow Plummer (1876 – January 23, 1944) was Imperator and Supreme Magus of the Societas Rosicruciana in America from 1909 to 1944. Under his auspices the organization was given its contemporary structure. The title was passed on to him by Frater Sylvester Clarke Gould in New York of whom he received full initiation and authority to begin the work. He held this office until his death on January 23, 1944.
He was adept of the lodge Metropolitan Consistory No. 1 from its institution in 1935.