[1] As a secondary school student Stanisław Witkowski was a member of "Association of the Polish Youth "Zet"/"Zarzewie", clandestine organisations fighting for the independence of Poland.

After the so-called "oath crisis" the Polish Legions were disbanded and the legionnaires, including Stanisław Witkowski, were interned by the Germans in the camps of Szczypiorno and Łomża.

At Armistice, (which is also Poland's Independence Day) in November 1918, he took an active part in disarming the Germans in Skierniewice, then he enlisted in the Polish Army and went to the eastern front, taking service in the ammunition workshop during the ensuing Polish-Soviet War.

Both institutes were R & D establishments, as well was centres for experimental constructions and made a significant contribution to the good organization of the Polish arms industry and its technological advancement.

[3] In 1933-39 was a liaison officer to and member of the Temporary Scientific and Advisory Committee During the Second World War he stayed in London serving in the Polish Armed Forces in the West.