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| biographical notes | ||
| Documents | ||
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| History tlc | ||
| History telegraph | ||
| History telephone | ||
| History radio | ||
| History TV | ||
| History components | ||
| Scientists index | ||
| Bibliography | ||
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 | Jagadis Chunder Bose |
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| | Mymensingh, India 30.November.1858- 23.November.1937 |
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| 1901
Detector
crystal of galena | ||||
|
Indian
Physicist has patented the detector crystal of galena, (see documents)
semiconductor component precursor. This component has
facilitated listening emissions radio telegraphic first and then radio.
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