- 1915 in science
The year 1915 in
science andtechnology involved some significant events, listed below.Astronomy
* Pluto is photographed for the first time but was not recognized as a
planet
* Einstein's new theory ofgeneral relativity used to explain Mercury's strange motions that baffledUrbain Le Verrier Geology
*
Alfred Wegener proposes thetheory ofPangea Physics
*
Albert Einstein publishes his theory ofgeneral relativity .
*Arnold Sommerfeld develops a modified Bohr atomic model with elliptic orbits to explain relativistic fine structureTechnology
*
Georges Claude patents theneon discharge tube for use inadvertising
* NACA, the predecessor ofNASA foundedAwards
*
Nobel Prize
** Physics - SirWilliam Henry Bragg and SirWilliam Lawrence Bragg
** Chemistry -Richard Martin Willstätter
** Medicine - not awardedBirths
*
March 15 -Laurent Schwartz (d. 2002),mathematician .
*March 16 -Kunihiko Kodaira (d. 1997),mathematician .
*June 24 -Fred Hoyle (d. 2001),astronomer andscience fiction writer.
*November 30 -Henry Taube (d. 2005), Nobelaureate inChemistry (1983 ).Deaths
*
July 22 - SirSandford Fleming (b. 1827), Canadian engineer and surveyor known as the "father oftime zone s".
*December 19 -Alois Alzheimer (b. 1864),neuroscientist .
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