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John Henry Holmes (1857 – 1935) was an English electrical engineer, inventor, Quaker and pioneer of electric lighting who invented the quick break light switch, the technology behind which remains the basis for modern wall mounted light switches.
Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
Sir John Frederick William Herschel, 1st Baronet KH FRS (/ ˈ h ɜːr ʃ əl, ˈ h ɛər-/; [2] 7 March 1792 – 11 May 1871) [1] was an English polymath active as a mathematician, astronomer, chemist, inventor and experimental photographer who invented the blueprint [3] [4] [5] and did botanical work.
1962 Nick Holonyak Jr. develops the first practical visible-spectrum (red) light-emitting diode. 1963 Kurt Schmidt invents the first high pressure sodium-vapor lamp. [18] 1972 M. George Craford invents the first yellow light-emitting diode. 1972 Herbert Paul Maruska and Jacques Pankove create the first violet light-emitting diode.
Sushruta (600 BC), Vedic India – inventor of Plastic Surgery, Cataract Surgery, Rhinoplasty; Theodor Svedberg (1884–1971), Sweden – Analytical ultracentrifuge; Joseph Swan (1828–1914), UK – Incandescent light bulb; Robert Swanson (1905–1994), Canada – invented and developed the first multi-chime air horn for use with diesel ...
Overall, 72.5% of all the Nobel Prizes in Chemistry, [87] 65.3% in Physics, [87] 62% in Medicine, [87] 54% in Economics were either Christians or had a Christian background. [87] John Hall Gladstone (1827–1902): served as president of the Physical Society between 1874 and 1876 and during 1877–1879 was president of the Chemical Society.
Nick Holonyak Jr. (/ h ʌ l ɒ n j æ k / huh-LON-yak; November 3, 1928 – September 18, 2022) was an American engineer and educator.He is noted particularly for his 1962 invention and first demonstration of a semiconductor laser diode that emitted visible light.
A note on the title page of Grampa in Oz (1924) reads: "This book is dedicated, with deep affection, to Uncle Billy (Major William J. Hammer), author, inventor and second cousin to Santa Claus." A character in The Yellow Knight of Oz (1930) and Speedy in Oz (1934) is an eccentric inventor named William J. Harmsted.