Josef Müller-Brockmann was a Swiss graphic designer and typographer, born on May 9, 1914, in Zurich. He is best known for his influential work in the field of modernist design, particularly in the use of grid systems. His designs emphasized clarity, simplicity, and functionality, making significant contributions to Swiss design. Müller-Brockmann also played a key role in the development of posters and visual communication. He authored the book "Grid Systems in Graphic Design," which remains a vital resource for designers. His work has inspired generations, establishing him as a pivotal figure in the evolution of contemporary graphic design.