Gerhard Fischer (inventor)

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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.

References[]

External links[]

• Fisher Research Laboratory – Company History
• Metal detecting history (MDgear)

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