She was a courier who picked up reports from [[Klaus Fuchs]] (covernames CHARLES and REST), [[David Greenglass]] (covernames BUMBLEBEE and CALIBRE), [[Theodore Hall]] (covername YOUNGSTER [MLAD]), and a source covernamed "FOGEL" and "PERS" from the American secret [[atomic weapons]] project at [[Los Alamos National Laboratory#History|Los Alamos]], New Mexico and carried them to the Soviet consulate in New York, where a KGB sub-residency under a young engineer named [[Leonid R. Kvasnikov]] (covername ANTON) coordinated operations and dispatched intelligence to Moscow. | She was a courier who picked up reports from [[Klaus Fuchs]] (covernames CHARLES and REST), [[David Greenglass]] (covernames BUMBLEBEE and CALIBRE), [[Theodore Hall]] (covername YOUNGSTER [MLAD]), and a source covernamed "FOGEL" and "PERS" from the American secret [[atomic weapons]] project at [[Los Alamos National Laboratory#History|Los Alamos]], New Mexico and carried them to the Soviet consulate in New York, where a KGB sub-residency under a young engineer named [[Leonid R. Kvasnikov]] (covername ANTON) coordinated operations and dispatched intelligence to Moscow. |