@nnirror Schroeder talks about working with radar during WW II in this interview: https://ethw.org/Oral-History:Manfred_Schroeder#Germany_in_the_1930s_and_1940s. The German artist K.O. Goetz, who, in the 1950s, made some paintings and films drawing on information theory and the stochastic distribution of binary values also traces his interest in digital methodologies to his wartime experiences operating radar equipment as a Wehrmacht soldier