Józef Mroszczak (11 May 1910 – 19 September 1975) was a Polish graphic designer at the forefront of the Polish School of Posters. Beyond his creative practice, he undertook a pivotal role in organising how graphic design was taught and publicised throughout the country. He contributed significantly to the professionalisation of graphic design in Poland, and the international acclaim that was garnered by its conceptual poster movement. Retaining a balance between design and artistic expressiveness, Mroszczak's works were widely exhibited and frequently awarded. For over two decades he lectured