Christian J. Lambertsen Photo

Christian J. Lambertsen

Born: May 15, 1917

Death: Feb 11, 2011

Birthplace: Westfield

Nationality: United States

Christian J. Lambertsen

Date of Birth : May 15, 1917
Date of Death : Feb 11, 2011
Birth Place : Westfield

Christian James Lambertsen was an American environmental medicine and diving medicine specialist who was principally responsible for developing the United States Navy frogmen's rebreathers in the early 1940s for underwater warfare. Lambertsen designed a series of rebreathers in 1940 and in 1944 and first called his invention breathing apparatus. Later, after the war, he called it Laru and finally, in 1952, he changed his invention's name again to SCUBA. Although diving regulator technology was invented by Emile Gagnan and Jacques-Yves Cousteau in 1943 and wasn't originally related to rebreathers, the current use of the word SCUBA is largely attributed to Gagnan's and Cousteau's invention. The US Navy considers Lambertsen to be "the father of the Frogmen".

Also known as


  • Christian Lambertsen

Awards Won


  • John Scott Legacy Medal and Premium
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