It was Jacob A. Marinsky, Lawrence E. Glendenin and Charles D.
Coryell who discovered promethium. It had been predicted many years
before, but had never been found or isolated. A link can be found
below for more information.
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Promethium was identified and prepared for the first time in
1945, at Oak Ridge, USA by Jacob A. Marinsky, Lawrence E.
Glendenin, Charles D.Coryell, Harold G. Richter.
View page
Promethium was identified and prepared for the first time in
1945, at Oak Ridge, USA by Jacob A. Marinsky, Lawrence E.
Glendenin, Charles D.Coryell, Harold G. Richter.