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List of African educators, scientists and scholars; List of Argentine scientists; List of Armenian scientists and philosophers. List of African-American inventors and scientists; List of Arab scientists and scholars; List of Austrian scientists; List of Azerbaijani scientists and philosophers; List of Brazilian scientists; List of Bangladeshi ...
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
Only utility patents (or the international equivalent) are listed, as a utility patent is a patent for an invention. Not all patents are for inventions. Other patent types include: design patents for the ornamental design of an object; plant patents for plant varieties; and reissue patents, where a correction is made to an already granted patent.
For their role in the Manhattan Project: Aerodynamics: Nikolai Zhukovsky George Cayley [133] Zhukovsky was the first to undertake the study of airflow, was the first engineer scientist to explain mathematically the origin of aerodynamic lift. Cayley Investigated theoretical aspects of flight and experimented with flight a century before the ...
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
Subrata Roy (scientist) – India, United States; Carlo Rubbia – Italy (born 1934) Nobel laureate; Vera Rubin – United States (1928–2016) Serge Rudaz – Canada, United States (born 1954) David Ruelle – Belgium, France (born 1935) Ernst August Friedrich Ruska – Germany (1906–1988) Nobel laureate; Ernest Rutherford – New Zealand, U ...
Russian chemist, Dmitri Mendeleev, arranged the elements in an order that we would now recognise. He realised that the physical and chemical properties of elements were related to their atomic mass in a 'periodic' way, and arranged them so that groups of elements with similar properties fell into vertical columns in his table. Plastics: Leo ...
Charles Pickering (1805–1878), American naturalist, author of Races of Man and Their Geographical Distribution; Henry Augustus Pilsbry (1862–1957), American zoologist, [289] malacologist, leader in invertebrate taxonomy; Gregory Goodwin Pincus (1903–1967), American biologist and co-inventor of the combined oral contraceptive pill