= Otto Hahn
{c}
{title2=1879–1968}
<Otto Hahn> and <Fritz Strassmann> identified radioactive <barium> among the products of <uranium> irradiation by <neutrons> in December 1938. Their chemical separation and analysis established a surprising light-element product. <Lise Meitner> and <Otto Frisch> then explained the result in terms of <nuclear fission>.https://www.mpic.de/4469988/die-entdeckung-der-kernspaltung[Max Planck Institute for Chemistry, Station 2: chemical barium identification and subsequent physical interpretation]{ref}
A <chemist>.https://www.mpiwg-berlin.mpg.de/Preprints/P203.PDF[Independent biography: identity and specialization; printed p. 1, opening paragraph, and life dates]{ref}
\Image[https://upload.wikimedia.org/wikipedia/commons/9/9b/Otto_Hahn_%28Nobel%29.jpg]
{title=Portrait of <Otto Hahn>}
{source=https://commons.wikimedia.org/wiki/File:Otto_Hahn_(Nobel).jpg}
{width=240}
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