[2] After Rose's death, Max married Celia Posen, who had served as a nurse with the Abraham Lincoln Battalion during the Spanish Civil War, and was friends with Harry Magdoff, Irving Kaplan and Stanley Graze.
Noah was close to Frederick Vanderbilt Field, Maurice Halperin and Albert Maltz, a screenwriter who later became one of the blacklisted Hollywood Ten.
In 1941, Stuart joined the Treasury Department, where he worked under William Ullman, Frank Coe and Harry Dexter White.
[5] He was assigned to the Clinton Engineer Works in Oak Ridge, Tennessee, and then to the Los Alamos Laboratory in New Mexico.
[7] Stuart's wife Miriam graduated from George Washington University Medical School that year, but when he applied for a job at the State Department, he was told that he would not be granted the necessary security clearance.
After he graduated in August 1948, he took a job at the US Navy's Underwater Sound Laboratory in New London, Connecticut, where research on sonar for submarines was conducted.
Stuart wrote a couple of books including US Neocolonialism in Africa (1974), which was translated into English, and Weaponry and Dollars: The Wellsprings of U.S. Foreign Policy (1987), which was published only in Russian.
[12] American codebreakers working on Venona found that the Manhattan Project had been penetrated by Soviet spies, which gave it the codename "Enormous".
They found references to codenames for three Soviet atomic spies working at Los Alamos: "M'Lad", who turned out to be Theodore Hall; "Caliber", who was David Greenglass; and "Godsend", who was ultimately identified as Oscar Seborer.