Show Summary Details

Page of

Printed from American National Biography. Under the terms of the licence agreement, an individual user may print out a single article for personal use (for details see Privacy Policy and Legal Notice).

date: 20 February 2020

Friis, Harald Traplocked

(22 February 1893–15 June 1976)
  • Christopher Sterling


Friis, Harald Trap (22 February 1893–15 June 1976), electrical engineer, was born in Naestved, Denmark, the son of a Danish brewer and a Norwegian mother. He studied at the Royal Technical College in Copenhagen, where he earned a degree in electrical engineering in 1916. Then inducted into the Danish Signal Corps, he served as a radio laboratory assistant in Copenhagen in 1916–1917 and as technical director of the Royal Gun Factory in that city in 1917–1918. With the aid of a grant from the American-Scandinavian Foundation, he came to the United States to study for a year at Columbia University in 1919 and decided to stay. He became a U.S. citizen six years later. He married Harriet Inger Lindhard in 1927; they had no children. He earned a D.Sc. in 1938 from his undergraduate institution....

You do not currently have access to this article


Please login to access the full content.


Access to the full content requires a subscription