Martini (talk) 03:14, 17 October 2015 (CEST) Trying this guy;: https://www.linkedin.com/pub/kurt-westerfeld/2/760/b64
Martini (talk) 19:46, 23 November 2015 (CET) He confirmed identity. He is looking for the source.
Martini (talk) 05:35, 13 April 2020 (CEST) Sent reminder.