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Helping others, helping ourselves: Power, giving, and community identity in Cleveland, Ohio, 1880-1930 (Kent State University Press, 2001). Van Tassel, David, and John Grabowski, eds. Cleveland: A Tradition of Reforms (1986) tten essays by experts; Veronesi, Gene P. Italian-Americans & Their Communities of Cleveland (1977) Complete text online
Garrett Augustus Morgan Sr. (March 4, 1877 – July 27, 1963) was an American inventor, businessman, and community leader. His most notable inventions were a type of two-way traffic light, [1] and a protective 'smoke hood' [2] notably used in a 1916 tunnel construction disaster rescue. [3] [4] Morgan also discovered and developed a chemical ...
1920: Arthur Eddington: Stellar nucleosynthesis. 1922: Frederick Banting, Charles Best, James Collip, John Macleod: isolation and production of insulin to control diabetes. 1924: Wolfgang Pauli: quantum Pauli exclusion principle. 1924: Edwin Hubble: the discovery that the Milky Way is just one of many galaxies.
Ralph Gardner-Chavis. Richard Garwin. John George Gehring. Charles Geschke. Donald A. Glaser. John Gofman. Adele Goldberg (computer scientist) Irving Gottesman. Jeanette Grasselli Brown.
The Vitruvian Man, c. 1490. Leonardo da Vinci(1452–1519) was an Italian polymath, regarded as the epitome of the "Renaissance Man", displaying skills in numerous diverse areas of study. While most famous for his paintings such as the Mona Lisaand the Last Supper, Leonardo is also renowned in the fields of civil engineering, chemistry, geology ...
Polarography was invented by Jaroslav Heyrovský in 1922. [ 6] Cabin motorcycle (Dálník) was invented by Jan Anderle during 1930s. [ 7][ 8] Versatile pencil was invented by Czech company Koh-i-Noor Hardtmuth in 1937. [ 9][ 10] Silon textile material (synthetic fiber) was invented by Otto Wichterle during the 1940s.
considered "father" or "mother". Rationale. Science (modern) Galileo Galilei (1564–1642) [ 1] For systemic use of experimentation in science and contributions to scientific method, physics and observational astronomy. Science (ancient) Thales (c. 624/623 – c. 548/545 BC) [ 2][ 3] Attempted to explain natural phenomena without recourse to ...
1952:The first thermonuclear weaponis developed. 1953:The first video tape recorder, a helical scan recorder, is invented by Norikazu Sawazaki. 1954:Invention of the solar battery by Bell Telephone scientists, Calvin Souther Fuller, Daryl Chapin and Gerald Pearson capturing the Sun's power.