1909 in science explained
The year 1909 in science and technology involved some significant events, listed below.
Astronomy
Biology
Chemistry
Geology
Mathematics
Paleontology
Physics
Physiology and medicine
Technology
Events
Awards
Births
- January 5 – Stephen Cole Kleene (died 1994), American mathematician.
- February 9 – Giulio Racah (died 1965), Italian–Israeli mathematician and physicist.
- February 18 – Warren Elliot Henry (died 2001), American physicist.
- March 22 – Nathan Rosen (died 1995), Jewish American physicist.
- April 13 – Stanislaw Ulam (died 1984), Polish American mathematician.
- April 22 – Rita Levi-Montalcini (died 2012), Italian Jewish neurologist, recipient of the Nobel Prize in Physiology or Medicine.
- May 7 – Edwin H. Land (died 1991), American inventor and founder of Polaroid.
- September 14 – Peter Scott (died 1989), English conservationist.
- August 1 – Sibyl M. Rock (died 1981), American mathematician.
- November 24 – Gerhard Gentzen (died 1945), German-born mathematician.
- December 11 – Toshiko Yuasa (died 1980), Japanese nuclear physicist.
- December 14 – Edward Lawrie Tatum (died 1975), American geneticist, recipient of the Nobel Prize in Physiology or Medicine.
Deaths
Notes and References
- Buchwald. Greg. Dimario. Michael. Wild. Walter. 2000. Pluto is Discovered Back in Time. Amateur–Professional Partnerships in Astronomy. San Francisco. 220. 335. 978-1-58381-052-1. 2000ASPC..220..355B.
- Book: Johannsen, W. . Elemente der exakten Erblichkeitslehre . G. Fischer . 1909 . Jena . German . Elements of the exact theory of heredity . 10.5962/bhl.title.94247.
- Book: Paul, J. R.. A History of Poliomyelitis. Yale University Press. New Haven. 1971. 978-0-300-01324-5. Yale studies in the history of science and medicine.
- News: New Chemical Substance. The New York Times. 1909-02-06.
- Web site: Original Patent for Synthesis of Ammonia. European Patent Office. 12 April 2011.
- Web site: Chris. Bowlby. Fritz Haber: Jewish chemist whose work led to Zyklon B. BBC News. 2011-04-12. 2011-04-12. https://web.archive.org/web/20110412034923/http://www.bbc.co.uk/news/world-13015210. 12 April 2011. live.
- Sorensen. S. P. L.. Enzymstudien. II, Über die Messung und die Bedeutung der Wasserstoffionenkonzentration bei enzymatischen Prozessen. Biochemische Zeitschrift. 1909. 21. 131–304.
- Web site: The Magnetic South Pole. Woods Hole Oceanographic Institution, Magnetics Group, Ocean Bottom Magnetology Laboratory. 2011-02-25. https://web.archive.org/web/20160421112934/http://deeptow.whoi.edu/southpole.html. 2016-04-21. dead.
- Book: Crilly, Tony. 50 Mathematical Ideas you really need to know. London. Quercus. 2007. 978-1-84724-008-8. 97.
- Book: Douglass, G. E.. Speak to the Earth and It Will Teach You: The Life and Times of Earl Douglass, 1862–1931. 2009. Charleston, South Carolina. BookSurge.
- Ehrenfest. Paul. 1909. Gleichförmige Rotation starrer Körper und Relativitätstheorie. Uniform Rotation of Rigid Bodies and the Theory of Relativity. Physikalische Zeitschrift. 10. 918. s:de:Gleichförmige Rotation starrer Körper und Relativitätstheorie.
- Book: Cooke, A. M.. A history of the Royal College of Physicians of London. 3. Clarendon Press for the Royal College of Physicians. 1972. 976.
- Book: Witz, Anne. Professions and Patriarchy. 2016. London. Routledge. 9781138135796. 938993033.
- Chagas. C.. Neue Trypanosomen. Vorläufige Mitteilung Archiv für Schiffs-und Tropenhygiene. 1909. 13. 120–2.
- Redhead, S. A. . Cushion, M. T. . Frenkel, J. K. . Stringer, J. R. . Pneumocystis and Trypanosoma cruzi: nomenclature and typifications. Journal of Eukaryotic Microbiology. 2006. 2–11. 53. 1. 16441572. 10.1111/j.1550-7408.2005.00072.x.
- Chagas. C.. Nova tripanozomiase humana: Estudos sobre a morfolojia e o ciclo evolutivo do Schizotrypanum cruzi n. gen., n. sp., ajente etiolojico de nova entidade morbida do homem [New human trypanosomiasis: Studies about the morphology and life-cycle of ''Schizotripanum cruzi'', etiological agent of a new morbid entity of man]. Memórias do Instituto Oswaldo Cruz. 1909. 1. 2. 159–218. 0074-0276. 10.1590/S0074-02761909000200008. free.
- História, Ciências, Saúde – Manguinhos. July 2009. 16. Suppl 1. 13–34. The discovery of Trypanosoma cruzi and Chagas disease (1908–1909): tropical medicine in Brazil. Kropf. S. P.. Sá. Magali Romero. 20027916. 10.1590/s0104-59702009000500002. free.
- Lombard. É.. Le signe de l'élévation de la voix. Annales des Maladies de l'Oreille et du Larynx. XXXVII. 2. 101–9. 1911.
- Lane, H.. Tranel, B.. The Lombard sign and the role of hearing in speech. Journal of Speech and Hearing Research. 14. 4. 677–709. 1971. 10.1044/jshr.1404.677.
- Lectures on the Experimental Psychology of the Thought-Processes. New York: Macmillan, 1909. Web site: empathy, n. . Oxford English Dictionary online version . Oxford University Press . subscription . 2012-02-16 . https://web.archive.org/web/20220304034318/https://www.oed.com/view/Entry/61284 . 2022-03-04 . live . December 2011 .
- Web site: First Broadcast by Ham Radio Operator. The Story of Information. 2013-03-18. 2019-10-17.
- F. E. Shailor (1910-02-22) "Electric heater" .
- Web site: 1900–1920. The Cyber Toaster Museum. Norcross. Eric. 2006. The Toaster Museum Foundation. 2022-11-20. dead. https://web.archive.org/web/20080815211550/http://www.toaster.org/museum.html. 2008-08-15. Wayback Machine.
- Web site: Rescue at Sea. The American Experience. PBS. 2012-03-22. 2012-11-09. https://web.archive.org/web/20121109192118/http://www.pbs.org/wgbh/amex/rescue/filmmore/transcript/transcript1.html. dead.
- Book: Flayhart, William H.. Disaster at Sea. W. W. Norton & Company. 2005. 206–210.
- Book: Dickinson, H. W.. A Short History of the Steam Engine. Cambridge University Press. 1938.
- Web site: About us. . 2020-05-06 .