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Glenn Theodore Seaborg was a chemist born in Ishpeming, Michigan, April 1, 1912. His main importance was the discovery of various chemical elements.

He graduated in Chemistry in 1936 from the University of California. For two years she was Lewis's laboratory assistant. In 1937, he became a doctor of chemistry in Berkeley, California. He studied about transuranic elements and reactions in atomic cells.

Seaborg was responsible for the synthesis of the elements plutonium, americium, curium, berkelium, californium, einstenium, mendelevium, fermium and nobelium. These artificial elements were developed at Berkeley. One of his works was the identification and discovery of more than 100 isotopes of chemical elements. Seaborg came up with the idea of ​​the actinide series.

From 1942 to 1946, Seaborg was part of the Manhattan Project. During World War II, he was director of the Metallurgical Laboratory at the University of Chicago, where he began industrial production of plutonium and perfected the method of isolating this element from reaction products. He has been a chemistry professor since 1945 and director of the University of California Radiation Laboratory.

Still in 1945, Seaborg publishes a periodic table with the new series of elements, the actinides series. Before there were only the elements actinium, thorium, protactinium, uranium, neptune and plutonium. He assembled this series of elements based on the electronic similarity of the elements, such as actinium.

In 1951 he won, along with Edwin M. McMillan, the Nobel Prize in Chemistry for the discovery of plutonium. The chemical element of atomic number 106 was discovered by Berkeley scientists and was called a seaborgium named after the scientist Seaborg. For the first time an element is named after a living person.

On February 25, 1999, Seaborg dies.