File:AartKoopmans.jpg

Summary
Description: Aart Koopmans Source: weissensee.nl

Licensing
This is an image of a deceased historic figure used to identify the figure in an article written for non-profit educational purposes. There is no known free alternative nor can one be created. It is believed that use of this low-resolution version of the image in the article will have no effect upon the potential market for or value of the copyrighted work.