1904 in science
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The year 1904 in science and technology involved some significant events, listed below.
Contents |
[edit] Astronomy
- Edward Walter Maunder plots the first sunspot "butterfly diagram".
- The sixth moon of Jupiter, later called Himalia, discovered at Lick Observatory.
[edit] Mathematics
- Henri Poincaré discovers the Poincaré sphere, leading him to formulate the Poincaré conjecture.
- Helge von Koch describes the "Koch snowflake", one of the earliest fractal curves described.[1][2]
- Charles Spearman develops his rank correlation coefficient.[3]
- Ernst Zermelo formulates the axiom of choice.[4]
[edit] Medicine
- Epinephrine first artificially synthesized by Friedrich Stolz.
- Antoni Leśniowski presents to a meeting of the Warsaw Medical Society a surgical specimen of an inflammatory tumour of the terminal ileum with a fistula to the ascending colon, consistent with what will later become known as Crohn's disease.[5]
[edit] Physics
- Vacuum tube invented by John Ambrose Fleming.
- James H. Jeans's The Dynamical Theory of Gases is published in Cambridge.
- J. J. Thomson proposes the plum pudding model for the atom.
- Hantaro Nagaoka develops the Saturnian model for the atom.
[edit] Technology
- The first diesel engined submarine, the Z, is built in France.
- The Heckelphone variety of oboe is invented by Wilhelm Heckel and his sons.
- The sleeve valve is invented by Charles Yale Knight.
[edit] Awards
[edit] Births
- January 26 - Ancel Keys, (d. 2004) American nutritionist.
- March 13 - René Dumont (d. 2001), French agronomist.
- March 20 - B. F. Skinner (d. 1990), American behavioral psychologist.
- April 22 - J. Robert Oppenheimer (d. 1967), American physicist.
- July 5 - Ernst Mayr (d. 2005), German-born evolutionary biologist.
- August 28 - Secondo Campini (d. 1980), Italian jet pioneer.
- November 11 - J. H. C. Whitehead (d. 1960), British mathematician.
[edit] Deaths
- May 10 - Henry Morton Stanley (b. 1841), Welsh-born explorer and journalist.
[edit] References
- ^ "Sur une courbe continue sans tangente, obtenue par une construction géométrique élémentaire"
- ^ Addison, Paul S. (1997). Fractals and Chaos - an illustrated course. Institute of Physics. p. 19. ISBN 0750304006.
- ^ Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. p. 145. ISBN 978-1-84724-008-8.
- ^ Zermelo, Ernst (1904). "Beweis, dass jede Menge wohlgeordnet werden kann" (reprint). Mathematische Annalen 59 (4): 514–16. doi:10.1007/BF01445300. http://gdz.sub.uni-goettingen.de/no_cache/en/dms/load/img/?IDDOC=28526.
- ^ Reported by him in Pamiętnik Towarzystwa Lekarskiego Warszawskiego. Bartnik, W. (December 2003). "Inflammatory bowel disease - Polish contribution". Journal of Physiology and Pharmacology (Kraków: Polish Physiological Society) 54 (S3): 205–210. PMID 15075474. http://www.jpp.krakow.pl/journal/archive/1203_s3/articles/14_article.html. Retrieved 2008-03-28.
