deaths
April 21, 1965
Edward Victor Appleton, English-Scottish physicist and academic, Nobel Prize laureate (born 1892)

Edward Appleton
Sir Edward Victor Appleton was an English atmospheric physicist who received the Nobel Prize in Physics in 1947 "for his investigations of the physics of the upper atmosphere especially for the discovery of the so-called Appleton layer".
Nobel Prize in Physics
The Nobel Prize in Physics is an annual award given by the Royal Swedish Academy of Sciences for those who have made the most outstanding contributions to mankind in the field of physics. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895 and awarded since 1901, the others being the Nobel Prize in Chemistry, Nobel Prize in Literature, Nobel Peace Prize, and Nobel Prize in Physiology or Medicine. Physics is traditionally the first award presented in the Nobel Prize ceremony.