Tadeusz Leon Józef Zawadzki, alias "Kajman", "Kotwicki", "Lech Pomarańczowy", "Tadeusz", or "Zośka", was a Polish scout instructor, scoutmaster, Home Army second lieutenant, commander of assault groups in Warsaw, one of the protagonists of Aleksander Kamiński's book Kamienie na szaniec.

Aleksander Kamiński, assumed name: Aleksander Kędzierski. Also known under aliases such as Dąbrowski, J. Dąbrowski, Fabrykant, Faktor, Juliusz Górecki, Hubert, Kamyk, Kaźmierczak, Bambaju was an educator, co-founder of Cub Scouts methodology, and soldier of the Home Army. He was one of the ideological leaders of the Grey Ranks and chairman of the Presidium of the Supreme Council of the Polish Scouting Association.