Gerhard Fischer (inventor)

Gerhard Fisher contributed to the development and popularity of the hand held metal detector.

Biography

Gerhard Fisher immigrated to the United States from Germany after studying electronics at the University of Dresden. While working as a Research Engineer in Los Angeles, California his work with aircraft radio detection finders led him to the idea of a portable metal detectors. Fisher shared the idea with Albert Einstein who correctly predicted the proliferation of hand held metal detector use.

Inventions

Although the actual inventor of the hand-held metal detector is disputed, the hand-held metal detector was made in 1925 and was first patented by Dr. Gerhard Fisher in 1931. A metal detector had been invented some forty years earlier (1881) by Alexander Graham Bell for the sole purpose of locating a lead bullet in President James A. Garfield.

Fisher Research Laboratory

He founded Fisher Research Laboratory to develop and market the hand held metal detectors in 1931.

gollark: Indeed.
gollark: My computer can calculate things! It literally has 6TFLOP/s of computing power!
gollark: You pay a lot of capital for essentially a worse more constrained phone with the advantage of moderately better battery life and being allowed in exams.
gollark: Physical calculators are just bad, though.
gollark: Nobody has to know.

References
  • Neice, Brandon (2016). The metal detecting bible : helpful tips, expert tricks and insider secrets for finding hidden treasures. Ulysses Press. p. 1. ISBN 9781612435381.
  • Underwood, Beth (26 September 2017). "Behind the Lines | The Relic Hunter". HistoryNet.
  • Woodford, Chris (19 August 2018). "How metal detectors work". Explain that Stuff. Retrieved 11 April 2019.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.