Americium and curium

Seaborg and his associates created elements americium (95) and curium (96) by bombarding plutonium with neutrons and alpha particles. These discoveries expanded the periodic table beyond plutonium, and honored America and the Curies.
 Glenn T. Seaborg United States 1944 Americium and curium

Seaborg and his associates created elements americium (95) and curium (96) by bombarding plutonium with neutrons and alpha particles. These discoveries expanded the periodic table beyond plutonium, and honored America and the Curies.