Florian Marciniak (codenames: Jerzy Nowak, Nowak, J.Krzemień, Szary, Flo; born 4 May 1915, Gorzyce, Kościan County – died 20/21 February 1944, Gross-Rosen) was a Polish scoutmaster (harcmistrz), and the first Naczelnik (Chief Scout) of the paramilitary scouting resistance organization, the Szare Szeregi, during the Second World War.
On August 5, 1944, during the early phase of Warsaw Uprising, Armia Krajowa's Battalion "Zośka" (Radosław Group of Szare Szeregi) led by Ryszard Białous and Eugeniusz Stasiecki attacked the Gęsiówka camp which was being liquidated at the time.
The Gray Ranks (Szare Szeregi), the underground Polish Scouting Association (Związek Harcerstwa Polskiego) during World War II.
Ryszard Białous codename: Jerzy (b. 4 April 1914 in Warsaw - 24 March 1992 in Neuquen, Argentina) was a Polish scoutmaster (harcmistrz) captain of the AK-Szare Szeregi.