1904 in science

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The year 1904 in science and technology involved some significant events, listed below.

Contents 1 Astronomy 2 Mathematics 3 Medicine 4 Physics 5 Technology 6 Awards 7 Births 8 Deaths 9 References

Astronomy

• Edward Walter Maunder plots the first sunspot "butterfly diagram".
• The sixth moon of Jupiter, later called Himalia, discovered at Lick Observatory.

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]

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]

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.

Technology

• The Heckelphone variety of oboe is invented by Wilhelm Heckel and his sons.

Awards

• Nobel Prizes
  • Physics - John William Strutt, 3rd Baron Rayleigh
  • Chemistry - Sir William Ramsay
  • Medicine - Ivan Pavlov

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.

Deaths

• May 10 - Henry Morton Stanley (b. 1841), Welsh-born explorer and journalist.

References