HANS BERND GISEVIUS (1904 – 1974)
A German diplomat and intelligence officer during World War II. He served as a liaison in Zurich for the German Resistance and the Americans, holding talks with the Vatican on their behalf for which he was questioned and tortured by the Gestapo, but released. After the July 20, 1944 failed assassination attempt, in which he was involved, he fled to Switzerland to survive and became a key witness for the prosecution at the Nuremberg Trials.
Read more in Kill The Fuhrer by Paula Astridge