Max‑Gerd Retzlaff

Max-Gerd Retzlaff lives and works in Berlin, Germany, as a computer scientist, artist, technology developer, researcher (computer graphics), and freelancer (mainly Common Lisp).

Content by Max‑Gerd Retzlaff:

Some highlights:

Max is an amateur radio (ham radio) enthusiast, having earned his German class A license in February 2023. His call sign is DJ4CS.


  • Max‑Gerd Retzlaff <mgr@matroid.org>

  • Max‑Gerd Retzlaff <m.retzlaff@gmx.net>  (alternatively)

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Last modified: Sun 17 Dec 2023 06:13:42 PM CET