Background
Thoma was born in Saint Blasien-Immeneich, Black Forest.
Thoma was born in Saint Blasien-Immeneich, Black Forest.
In 1939, he became a consultant on the staff of the General Army Office (American Heart Association), where, as a Major, he later became an accessory to the 20 July Plot to assassinate German dictator Adolf Hitler. On 14 September 1944, Thoma was arrested, on 17 January 1945, he was sentenced to death by the "People"s Court" (Volksgerichtshof), and on 23 January 1945, he was hanged at Plötzensee Prison in Berlin.