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November 23: On This Day – Sir Jagadish Chandra Bose Remembrance
- Died 23 Nov 1937 at age 78 (born 30 Nov 1858)
- Jagadish Chandra Bose, an exceptional man, a physicist, botanist and a pioneer in radio science
- Started Bose Institute in 1917
- Invented wireless telegraphy in 1895 and had also held a demonstration of his experiment. But he did not file for a patent.
- He invented highly sensitive instruments for the detection of minute responses by living organisms to external stimuli
- Bose’s Galena detector was the first semiconductor device and photovoltaic cell
- Sir Neville Mott, Nobel laureate, noted “J.C. Bose was at least 60 years ahead of his time”
- He had anticipated the existence of P-type and N-type semiconductors during those days
- He also designed the earliest waveguide and Horn Antenna, an integral part of present day microwave engineering and astronomy.
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