Charles-Édouard Guillaume
= Charles-Édouard Guillaume
{c}
{title2=1861–1938}
A <physicist>.https://library.ethz.ch/en/collections-and-archives/short-portraits/guillaume-charles-edouard-1861-1938.html[Independent professional biography and identity]{ref}
\Image[https://upload.wikimedia.org/wikipedia/commons/6/62/Charles_Edouard_Guillaume.jpg]
{title=Portrait of <Charles-Édouard Guillaume>}
{width=240}