A related person that Wilhelm Anderson corresponded with was Edmund Stoner: http://snaccooperative.org/ark:/99166/w6zc859f Walter Anderson (http://snaccooperative.org/view/28180815) was his brother.
Page: Anderson, Wilhelm - Social Networks and Archival Context
URL: http://snaccooperative.org/ark:/99166/w66m4r2d
Referer:https://en.wikipedia.org/
Contact Information: Eike Anderson (eikea@siggraph.org)