1940 Plutonium

The book of science

Tom Sharp

BerkeleyGlenn T. Seaborg, Arthur Wahl, Joseph W. Kennedy, Edwin McMillan elements Plutonium


Atomic number 94

Manhattan Project


Seventy-one years have passed since the bombing of Nagasaki, 9 August 1945, where the plutonium bomb “Fat Man” killed 60,000 to 80,000 people.

Cleanup of radioactive materials at the Hanford Site, next to the Columbia River in the middle of the state of Washington, continues to be a problem.

See also in The book of science:

Readings on wikipedia:

Other readings:

  • Plutonium,” Elementymology & Elements Multidict, by Peter van der Krogt