Edith Clarke

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Edith Clarke
Born (1883-02-10)February 10, 1883
Howard County, Maryland
Died October 29, 1959(1959-10-29) (aged 76)
Residence Massachusetts, United States
Nationality American
Fields Electrical Engineering
Institutions General Electric
University of Texas at Austin
Alma mater Vassar College
Massachusetts Institute of Technology

Edith Clarke (February 10, 1883 – October 29, 1959) was the first female electrical engineer and a professor at the University of Texas at Austin - the first female professor of electrical engineering.[1] She specialized in electrical power system analysis [2] and wrote Circuit Analysis of A-C Power Systems.[3]

Early life and Education

Edith Clarke was born February 10, 1883, in Howard County, Maryland to John Ridgely Clarke and Susan Dorsey Owings, one of nine children.[4] After being orphaned at age 12, she was raised by her older sister. She used her inheritance to study mathematics and astronomy at Vassar College, where she graduated in 1908.

After college, Clarke taught mathematics and physics at a private school in San Francisco and at Marshall College. She then spent some time studying civil engineering at the University of Wisconsin–Madison, but left to become a "computer" at AT&T in 1912. She computed for George Campbell, who applied mathematical methods to the problems of long-distance electrical transmissions. While at AT&T, she studied electrical engineering at Columbia University by night.

In 1918, Clarke enrolled at the Massachusetts Institute of Technology, and the following year she became the first woman to earn an M.S. in electrical engineering from MIT. [5]

Professional Career

Unable find work as an engineer, she went to work for General Electric as a supervisor of computers in the Turbine Engineering Department. In her spare time, she invented the Clarke calculator, a simple graphical device that solved equations involving electric current, voltage and impedance in power transmission lines. The device could solve line equations involving hyperbolic functions ten times faster than previous methods. She applied for a patent on the device in 1921.

In 1921, still unable to obtain a position as an engineer, she left GE to teach physics at the Constantinople Women's College in Turkey. The next year, she was re-hired by GE as an engineer in the Central Station Engineering Department.

Her background in mathematics helped her achieve notoriety in her field. On February 8, 1926, as the first woman to deliver a paper at the American Institute of Electrical Engineers' annual meeting, she showed the use of hyperbolic functions for calculating the maximum power that a line could carry without instability.[6] Two of her later papers won awards from the AIEE.

Clarke retired from General Electric in 1945.

In 1943, Edith Clarke wrote an influential textbook in the field of power engineering, Circuit Analysis of A-C Power Systems, based on her notes for lectures to GE engineers.

In 1947, she joined the faculty of the Electrical Engineering Department at the University of Texas at Austin, making her the first female professor of Electrical Engineering in the country. She taught for ten years and retired in 1957.

Honors

Edith Clarke was the first female engineer to achieve professional standing in Tau Beta Pi. In 1948, Clarke was the first female Fellow of the American Institute of Electrical Engineers. In 1954, she received the Society of Women Engineers Achievement Award.[7]


References

  1. ↑ Durbin, John. "In Memoriam: Edith Clarke". Index of Memorial Resolutions and Biographical Sketches. University of Texas. Retrieved October 16, 2012. 
  2. ↑ Brittain, James. "Scanning the Past: Edith Clarke and Power System Stability". Proceedings of the IEEE. The Institute of Electrical and Electronics Engineers. Retrieved October 16, 2012. 
  3. ↑ Clarke, Edith (1943). Circuit analysis of A-C power systems. J. Wiley & sons, inc. 
  4. ↑ Riddle, Larry. "Edith Clarke". Biographies of Women Mathematicians. Agnes Scott College. Retrieved October 16, 2012. 
  5. ↑ Carey, Charles, Jr. "Edith Clarke". American National Biography Online. Retrieved October 16, 2012. 
  6. ↑ "WOMAN ADDRESSES ELECTRICAL INSTITUTE; Miss Edith Clarke the Only One of Her Sex to Read a Paper at Engineers' Meeting.". The New York Times. 9 February 1926. Retrieved 8 June 2013. 
  7. ↑ Hobbs, Amy. "Edith Clarke". Biographical Series. Archives of Maryland. Retrieved October 16, 2012. 

External links

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