- Carl Friden
Carl Friden (
April 11, 1891– April 29, 1945) was a Swedish born American mechanical engineerand businessmanwho founded the Friden Calculating Machine Company ( Friden, Inc.) in San Leandro, Californiain 1934. Prior to founding his own company, Friden had been a chief designer for the Marchant Calculating Machine Co. of Oakland His machines were robust and quickly became popular.
Friden's company introduced a calculator that included a square root function in 1952, then went on in 1963 to introduce the model EC-130, the fully transistorized electronic calculator. In 1965 the company was purchased by the
Early life and career
In 1913 Friden traveled to
Englandto assemble match machines for his company. In 1914 he traveled to Australiawith the same purpose in mind, but was stranded there when World War Ibroke out. In the interim he worked on his ideas for designing a more reliable calculator. Two years later he headed to San Franciscoon an American steamer to get part way home, but that is where he stayed. He found his place in the Marchant Calculating Machine Company within a year. While there he introduced his new design which reduced the number of calculator parts by one-third, thus increasing their reliability.
Friden married Hildur Victoria Svenson in 1914 in
Stockholm, Sweden. They had two children, Stanley Mauritz Victor and Barbro. He was a member of the American Society of Mechanical Engineers, a Lutheran, and a Republican.
* [http://www.fridenites.com/ Friden tribute] website accessed
March 4, 2006
Wikimedia Foundation. 2010.
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