1919 in science

The year 1919 in science and technology involved some significant events, listed below.

Physics

* Einstein's theory of general relativity confirmed by Arthur Eddington's observation of a total eclipse of the Sun
* James Jeans discovers that the dynamical constants of motion determine the distribution function for a system of particles

Technology

* XWA (now CFCF),in Montreal, Quebec is the first public radio station in North America to go the air.
* US Navy Naval Curtiss aircraft NC-4 commanded by Albert Cushing Read departs Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight
* John Alcock and Arthur Whitten Brown depart St. John's, Newfoundland on the first nonstop transatlantic flight
* The British dirigible R-34 lands in New York, completing the first crossing of the Atlantic by an airship.

Awards

* Nobel Prize
** Physics - Johannes Stark
** Chemistry - not awarded
** Medicine - Jules Bordet

Births

* January 23 - Hans Hass, zoologist and oceanographer

Deaths

* February 19 - Frederick DuCane Godman (b. 1834), lepidopterist, entomologist and ornithologist.
* April 4 - Sir William Crookes (b. 1832), chemist and physicist.
* June 30 - John William Strutt, 3rd Baron Rayleigh (b. 1842), Nobel Prize-winning physicist.
* July 21 - Gustaf Retzius (b. 1842), anatomist.
* August 8 - Ernst Haeckel (b. 1834), zoologist.