Ada Roon born Adelheid Schneider (4 May 1882 – 27 January 1953) was a German actress, screenwriter and film producer.
She moved from acting to screen writing to producing films.
In Berlin she met the Austrian screenwriter and later director Gernot Bock-Stieber, whom she married on 16 October 1917 in Charlottenburg.
The weapon is exploited and the message is that peace can only be achieved by consensus and cannot be imposed by technology.
[1] Shortly after the onset of the sound film era, Ada van Roon retired from script writing and produced from 1931 with her own company Ada van Roon production cultural films.