Dieckhoff was born in Strasbourg , Alsace-Lorraine . From 1937 to November 1938 he served as German ambassador to the United States , until recalled in response to the American recall of its ambassador in protest over the '' Kristallnacht '' . He was the last to occupy the post until after the war . In 1943 he assumed the post of ambassador to Spain
Kristallnacht
Kristallnacht
Hans-Heinrich Dieckhoff