Germany's Navy admiral who commanded the U-Boat campaign of WWII.
In WWI he served in submarines and by 1935 became the head of the program developing a better version, and pioneered their tactics.
Just before committing suicide, Hitler designated Doenitz his successor as the head of the armed forces and Doenitz ordered the official surrender.
He was born in the Grünau neighborhood of Berlin, Germany, and his father was an engineer.
British comedian David Mitchell portrayed Doenitz on his 2006 sketch comedy That Mitchell and Webb Look.