1938 SEGRÈ, Emilio Gino (1905 – 1989); SEABORG, Glenn Theodore (1912 – 1999)

Nuclear isomerism in element 43.

Isolation of the metastable isotope technetium-99m, the most commonly used medical radioistope, used in tens of millions of medical diagnostic procedures annually. Segrè discovered the first artifical element Techneti…

GMN 9339 · https://historyofmedicine.com/id/11521