Yesterday in Physics

April 29

Birthdays

• 1854: Henri Poincare
  • Mathematician, theoretical physicist, engineer, and a philosopher of science
  • More: http://scienceworld.wolfram.com/biography/Poincare.html

Deaths

• 1966: William Eccles
  • "invented the term Diode to describe an evacuated glass tube containing two electrodes"
  • More: http://www.computerhope.com/people/william_eccles.htm
• 2001: Arthur B. C. Walker, Jr.
  • "he conducted pioneering physics experiments to study the sun and upper atmosphere of the Earth"
  • More: http://space.about.com/od/astronomerbiographies/a/artwalkerbio.htm

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