Czapla co-founded the art group Simplex S4, of which he was a member from 1974 to 1979.[1] Since 1972 he has been a professor of painting at his former university.[1] His works have been displayed at many solo exhibitions and group exhibitions in Poland and abroad.[3] The National Museum in Kielce held an exhibition from May 24 to July 28, 2002, which featured 155 pieces from three decades of Czapla's work.[4]
He lived in Warsaw, and after 1979 was an Honorary Citizen of the municipality of Szydłów.[5] He died on 12 January 2016, at the age of 69.[6]
Mirosław Karcz; Stefan Gierowski; Ewa Wolak; Biuro Wystaw Artystycznych (1991). Malarstwo: Marian Czapla (in Polish). Legnica: Galeria Sztuki Współczesnej BWA Legnica.
Marian Czapla (c. 1996). Marian Czapla:Ecce Homo (in Polish). Gorzów Wielkopolski: Biuro Wystaw Artystychnych. p. 36. ISBN978-83-905849-4-2.
Okła, Grażyna (2002). Mała Ojczyzna Świętokrzyskie Dziedzictwo kulturowe (in Polish). p. 267. ISBN83-88710-43-5.
Refleksje z życia (in Polish). Krosno: Wola Sękowa. 2002. p. 216. ISBN978-83-89123-22-0.
Iwona Rajkowska (2002). Marian Czapla : w 30-lecie pracy twórczej : wystawa przygotowana przez Muzeum Narodowe w Kielcach (in Polish). Kielce and Warsaw: FPSN. p. 155. ISBN978-83-916987-0-9.
Marian Czapla: Malarstwo (in Polish). Warsaw: Academy of Fine Arts in Warsaw. 2009. p. 128. ISBN978-83-61558-16-3.