Paul Langevin
= Paul Langevin
{c}
{wiki}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Paul%20Langevin%20Wellcome.jpg?width=250]
{title=Portrait of <Paul Langevin>}
{description=Photographer not identified; Wellcome Library/Collection, London, image V0028220; existing Langevin portrait crop. https://creativecommons.org/licenses/by/4.0/[CC BY 4.0], via Wikimedia Commons.}
{source=https://commons.wikimedia.org/wiki/File:Paul_Langevin_Wellcome.jpg}
{width=250}