Born in Panevėžys in 1920, he died in Kaunas in 1989. He graduated from the Kaunas Institute of Applied and Decorative Art in 1947 with a diploma in stained glass and mural painting. Banys was exiled to Siberia in 1950 and held in a camp for political prisoners until 1955. After his return to Lithuania, he taught at the Kaunas Art Gymnasium. He painted pictures, made several murals, and illustrated about 15 children’s books. In 1963, he won an award at the Moscow Exhibition of Economic Achievements for the schoolbook Gimtasis žodis (The Mother Tongue). He was famous for his exceptionally fine drawings.