 Foote became a radio operator for Radó's intelligence network, and in March 1941 managed to establish radio communication with Moscow Centre from Lausanne.In his radio communications, Radó used the codename "Dora".In the first half of 1941, "Luiza", a Swiss intelligence officer gave Otto Puetner (and Radó) the important information, that many divisions of the German Wehrmacht were being concentrated in the East.