= William Ramsay
{c}
{title2=1852–1916}
{wiki}
= Sir William Ramsay
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{synonym}
= W. Ramsay
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{synonym}
A <chemist> who led the chemistry department at University College London from 1887 to 1913. His isolation of <argon> followed <John William Strutt, 3rd Baron Rayleigh>'s observation that atmospheric <nitrogen> had greater <density> than chemically prepared <nitrogen>.https://www.ucl.ac.uk/mathematical-physical-sciences/chemistry/about-us/history-department[History of the Department, Ramsay and the nobel gases: chemistry professorship, headship dates and argon isolation]{ref}
\Image[https://upload.wikimedia.org/wikipedia/commons/c/cf/Portrait_of_William_Ramsay.jpg]
{title=Portrait of <William Ramsay>}
{description=Portrait reproduced from The World's Work; photographer unidentified. https://commons.wikimedia.org/wiki/File:Portrait_of_William_Ramsay.jpg[Wikimedia Commons file description and provenance].}
{width=240}
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