<a href="https://en.wikipedia.org/wiki/Klaus_Urbanczyk" class="extiw" title="en:Klaus Urbanczyk">Klaus Urbanczyk</a> in 1978.
Koen Suyk / Anefo
CC BY-SA 3.0 nl
<a rel="nofollow" class="external text" href="http://proxy.handle.net/10648/acae54ca-d0b4-102d-bcf8-003048976d84">Nationaal Archief Fotocollectie Anefo</a> (cropped)