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. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source |
Bildgröße: | 3000 px × 3633 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |