= Paul Harteck
{c}
{title2=1902–1985}
= P. Harteck
{c}
{synonym}
<Paul Harteck> and <Karl Friedrich Bonhoeffer> prepared <parahydrogen> at low <temperatures> in 1929. The experiment distinguished forms of molecular <hydrogen> associated with different nuclear-spin states, connecting a measurable sample property with the quantum description of <spin isomers of hydrogen>.https://www.fhi.mpg.de/history[Institute history: 1929 purification of parahydrogen at low temperatures]{ref}
A <chemist>.<Kurzbiographie und Publikationen von Paul Harteck (1902–1985)>[Biography: research and appointments]{ref}
\Image[https://upload.wikimedia.org/wikipedia/commons/b/ba/Bundesarchiv_Bild_183-2005-0331-501,_Paul_Harteck.jpg]
{title=Portrait of <Paul Harteck>}
{width=240}
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