With the Designer's day excuse, I made this post, in no particular order just some of my beloved influences...
Experimental Jetset / Amsterdam Design
"Hiroshima Appeals" Yusaku Kamekura / 1983
From 'I know a lot of things' book, Illustrated / Paul Rand/1956
Otl Aicher/ 1972
Design and illustration /Jamie Nash
Yngve Ekström /1954
Mathieu Bernard-Reymond. "Transparent"/ 2010