Carl Rickard Nyberg (May 28, 1858, – 1939), founder of Max Sieverts Lödlampfabrik, at that time one of the largest industries in Sundbyberg, Sweden.
<a href="//commons.wikimedia.org/wiki/User:Lidingo" title="User:Lidingo">Lidingo</a>
2008-12
Scanned image from a paper reproduction of a painting from around 1920 (Nyberg at the age of 62).