Born in Šiauliai, then in the Russian Empire (now Lithuania), in 1931 he joined the Polish Army.

Initially serving as an infantry NCO, in 1938, he graduated from the Dęblin-based Eagles' School and was attached to the air wing of the Border Defence Corps.

[3] Downed the same day, he made it to France where he became the commanding officer of the 5th key of Groupe de Chasse III/10 covering Besançon.

[8] He ended the war in the Polish rank of generał brygady and remained in exile in the United Kingdom.

[1] The Battle of Britain Memorial Flight's Spitfire TE311 is painted to represent the aircraft flown by Gabszewicz in Germany from April to June 1945.