Glenn Theodore Seaborg

Glenn Theodore Seaborg ( /ˈsiːbɔrɡ/; April 19, 1912 – February 25, 1999) was an American scientist whose involvement in the synthesis, discovery and investigation of ten transuranium elements earned him a share of the 1951 Nobel Prize in Chemistry. His work in this area also led to his development of the actinide concept and the arrangement of the actinide series in the periodic table of the elements.