1st Lt. pilot
Józef Sieczkowski (1899–1923) – first lieutenant observer of the Polish Army, associated with the 2nd Aviation Regiment in Kraków. In 1915 he joined the Polish Military Organisation in St Petersburg, and in 1916 was mobilised into the Russian army. From 1919 he served in the Polish Army, including the 4th Rifles Division. In 1920 he graduated from the Aerial Observer Officer School and from July of that year fought with the 3rd Reconnaissance Squadron. In 1922 he was assigned to the 2nd Aviation Regiment, where he served as an observer in the 8th and 14th Squadrons. In 1923 he began studies at the Advanced Pilot School. During a training flight he suffered an accident in a SPAD aircraft and was severely burned. He died on 3 August 1923 in Grudziądz from complications. He was buried at the Powązki Cemetery.