Karl Dietrich Bracher
Karl Dietrich Bracher (13 March 1922 – 19 September 2016) was a German political scientist and historian of the Weimar Republic and Nazi Germany. Born in Stuttgart, Bracher was awarded a Ph.D. in the classics by the University of Tübingen in 1948 and subsequently studied at Harvard University from 1949 to 1950. During World War II, he served in the Wehrmacht and was captured by the Americans while serving in Tunisia in 1943. He was then held as a POW in Camp Concordia, Kansas. Bracher taught at the Free University of Berlin from 1950 to 1958 and at the University of Bonn since 1959. In 1951 Bracher married Dorothee Schleicher, the niece of Dietrich Bonhoeffer. They had two children.
Karl Blessing
Karl Blessing (5 February 1900 – 25 April 1971) was a German banker. He was President of the Deutsche Bundesbank from 1958 to 1969. 
He was born in Württemberg, joined the Reichsbank in 1920 and graduated in Business Administration in 1925. In 1929 he became an assistant to then Reichsbank president Hjalmar Schacht and in 1934 he was seconded to the Reich Ministry of Economics. He became a member of the executive board of the Reichsbank in 1937 but was dismissed in February 1939 along with other board members for criticising Nazi economic policy.