Robert Gordon Switz (born 1904) was a "wealthy American who converted to communism"[1] and served as spy for Soviet Military Intelligence ("GRU").
[3] Switz went abroad again to France, where he obtained an airplane pilot's license, then trained at Roosevelt Field on Long Island.
[2][4] In New York, he worked in a network that included Lydia Stahl and Paulne Jacobson-Levine (later recounted in the 1952 memoir of Whittaker Chambers[6]).
"[1] In December 1933, French intelligence arrested Switz in his apartment on the Rue de la Chaussée d'Antin (near the Paris Opera).
[1][6] William T. Murphy,"The Honeymoon Spies: Robert Gordon Switz and Marjorie Tilley," American Intelligence Journal, 36:1 (2019),75-98.