Flohr is a graphic designer, who worked in many fields of graphic design.
He studied in the 1970’s under Sándor Ernyei and József Finta. Initially he worked in the Kossuth Printing House’s reproduction workshop, but he soon got work as a graphic artist. He often designed posters and other type of advertisements for Hungaroton, Hungexpo, Magyar Hirdető and Medicor. He preferred to use photos on his compositions. .