Avenue Foch with chestnut trees along its full length. The Avenue was constructed during the reign of Emperor Napoleon III, as part of the grand plan for the reconstruction of Paris conducted by Napoleon's Prefect of the Seine, Baron Haussmann. It was designed to connect the Place d'Etoile with another important part of Haussmann's plan, the Bois de Boulogne, the new public park on the west end of the city. The original plan, by Jacques Hittorff, who had designed the Place de la Concorde decades earlier, called for an avenue forty meters wide between the modern Avenue Victor Hugo and the modern
84 Avenue Foch French Jews to concentration camps. The fourth floor was used by Sturmbannführer Josef Kieffer, the commander of number 84, as an office and private quarters. His assistant also had an office on this floor. On the fifth (top) floor contained a guardroom, an interpreter's office, and cells for prisoners under interrogation. A senior interrogator at number 84 was Ernest Vogt, a Swiss-German civilian who since 1940 had been attached to the SD as a civil auxiliary in the capacity of translator and interpreter. 84 Avenue Foch 84 Avenue Foch () was the Parisian headquarters of the Sicherheitsdienst, the counter-intelligence branch