David Edward Hughes, Welsh-American Inventor

Numéro d’image : 12626892
David Edward Hughes, Welsh-American Inventor
Colorized portrait drawing of David Edward Hughes (May 16, 1831 - January 22, 1900), a Welsh-American scientist and musician. Hughes was co-inventor of the microphone and teleprinter, inventor of the spark-gap transmitter and inventor of the crystal radio. He also independently invented a semiconductor rectifier diode, which he used to invent the crystal radio detector for the world's first radio transmitter and receiver. He was elected a Fellow of the Royal Society in June 1880 and won their Royal Medal in 1885. He died in 1900 at the age of 66.
Licence : Droits gérés
Crédit: Science Photo Library / Science Source
Taille de l’image : 3000 px × 3633 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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