Glenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan (in 1940-41)
Neptunium and plutonium were discovered in United States in 1940.
Plutonium was discovered at Berkeley, USA in December 1940.
Plutonium was prepared for the first time in Berkeley, USA at 14.12.1940.
14 December 1940 was the day accepted for the first preparation of the isotope plutonium-238.
Plutonium was discovered at Berkeley, USA in 1940.
Plutonium was discovered on 14 December 1940 at Berkeley, USA.
The first nuclear reaction used to obtain plutonium:238U + n-------239U-------239Np + e--------239Pu + e
Plutonium was discovered in 1940 by Glenn Seaborg and Edwin McMillan at Berkeley Laboratories.
Plutonium
Plutonium was discovered in 1940 by Glenn Seaborg and alii.
Plutonium was discovered irradiating uranium with deuterons in 1940.
Plutonium was discovered in USA (Berkeley) by Glenn Seaborg and Edwin McMillan in 1940.