Jan Tschichold "New Typography". He revolted against asymmetrical layout. His design is clean. IN summer 1933 Nazis arrested him and his wife accused him to steering the new art movement. He fled to Switzerland and become book designer.
Armin Hofmann is recognized with a 2011 AIGA Medal for his immeasurable influence on generations of designers, teaching the power and elegance of simplicity and clarity through a timeless aesthetic, always informed by context.
The History of Flat Design: Efficiency, Minimalism, Trendiness