Hellenica World

.

Edwin McMillan and Philip H. Abelson identify neptunium, the lightest and first synthesized transuranium element, found in the products of uranium fission. McMillan would found a lab at Berkley that would be involved in the discovery of many new elements and isotopes

Discovery of Astatine (Corson, Mackenzie, Segré)

Rhesus factor , Landsteiner

First radio map of sky, Reber

14Carbon, Kamen and Ruben

7 January 1940 discovery of 3019 Kulin

13 January 1940 discovery of 1880 McCrosky

9 April 1940 discovery of 2639 Planman

3 August 1940 discovery of 1881 Shao

24 November 1940 discovery of 4162 SAF

----

4 January 1940 Birth of Brian David Josephson

20 March 1940, Death of Ferdinand Ellerman in Pasadena, California, USA

24 March 1940 Death of Edouard Eugène Désiré Branly

17 June 1940 Death of Arthur Harden

30 August 1940 Death of Joseph John Thomson

31 August 1940 Death of Raymond Smith Dugan in Philadelphia, Pennsylvania, USA

8 October 1940, Death of Robert Emden in Zürich, Switzerland

11 October 1940 Death of Vito Volterra

24 October 1940, Death of Pierre Weiss

Popular Science Jan 1940

Popular Science Apr 1940

Popular Science May 1940

Popular Science Aug 1940

Popular Science Dec 1940

Chronology

1939 - 1940 - 1941

Home