Glenn Seaborg (ACTINIDES AND LANTHANIDES) Seaborg was the principal or co-discoverer of ten elements: plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium and element 106, which, while he was still living, was named seaborgium in his honor. (jan 1, 1940 – oct 2, 1940)
Description:
cant attach photo.Added to timeline:
Date:
jan 1, 1940
oct 2, 1940
~ 9 months