“…-attempts to involve French prisoners of war in German war research 216 -French deficiencies in computation and communication technologies clear after WW II 5.6.4 Historical primary and secondary literature/sources Charbonnier (1924), Chadeau (1988), Germain (1953), Hashimoto (1994), Pestre (1994), Picard (1990), Pyenson (1996), Andler (1994), Orlando (1998), Kragh (1996), Siegmund-Schultze (1986/2001 5.6.5 Some specific problems for historiography -According to Charbonnier (1924): superior French mathematical methods in WW I ballistics -How did the inner logic of an applied science such as ballistics stimulate the interest of mathematicians in new applications, including applications in wars? 217 -"Phony war" (drôle de guerre) also in French science 1939, i.e., defence research not taken seriously?…”