Date of Birth: 
About Birger Grønn
- Birger Grønn (17 April 1898 – 28 March 1988) was a Norwegian engineer.
- He was born in Kristiania.
- He graduated as ships engineer at the Norwegian Institute of Technology in 1922, and worked as engineer and later manager at the ships workshop Trondhjems mekaniske Værksted from 1939 to 1963.
- He was decorated with the British King's Medal for Courage.
- During World War II he was member of the undercover resistance movement in Trondheim, and after the war he was recruited to the secret stay-behind network.
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