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Alexander Graham Bell (/ ˈ ɡ r eɪ. ə m /; born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone.
German scientist Otto von Guericke invented a device that creates static electricity. This is the first ever electric generator. 1705: English scientist Francis Hauksbee made a glass ball that glowed when spun and rubbed with the hand 1720: English scientist Stephen Gray made the distinction between insulators and conductors. 1745
First patent on foil electret microphone by G. M. Sessler and J. E. West (pages 1 to 3) West was born on February 10, 1931, in Farmville, Prince Edward County, Virginia as the elder of two children to Samuel Edward and Matilda West. He was born in his maternal grandfather's house because the local hospital would not admit Black people.
Discovered many isotopes, Protactinium and nuclear fission. Samuel Hahnemann: Physician, best known for creating a system of alternative medicine called homeopathy. Harald zur Hausen: Virologist, discovered the role of papilloma viruses in the development of cervical cancer. His research made the development of a vaccine against papilloma ...
1986 – Kodak scientists invent the world's first megapixel sensor. 1987 Canon releases the first camera for its fully electronic autofocus EF lens mount, the EOS 650 [20] Photoshop developed by Thomas and John Knoll; 1990 — Adobe Photoshop 1.0 released on February 19, for Macintosh exclusively. [21] [22] 1992 – Photo CD created by Kodak. [23]
Johannes Kepler was one of the founders and fathers of modern astronomy, the scientific method, natural and modern science. [17] [18] [19] Wilhelm Röntgen discovered X-rays. [20] Albert Einstein introduced the special relativity and general relativity theories for light and gravity in 1905 and 1915 respectively.
The first permanent photograph of a camera image was made in 1826 by Nicéphore Niépce using a sliding wooden box camera made by Charles and Vincent Chevalier in Paris. [11]: 9–11 Niépce had been experimenting with ways to fix the images of a camera obscura since 1816. The photograph Niépce succeeded in creating shows the view from his window.
Josef Popper (1838–1921), Austria – discovered the transmission of power by electricity. Aleksandr Porokhovschikov (1892–1941), Russia – Vezdekhod (the first prototype tank, or tankette, and the first caterpillar amphibious ATV) Ignazio Porro (1801–1875), Italy – Porro prism, strip camera