"Otto "Otl" Aicher (13 May 1922 – 1 September 1991) was a German graphic designer and typographer. He is best known for having designed pictograms for the 1972 Summer Olympics in Munich that proved influential on the use of stick figures for public signage, as well as designing the typeface Rotis. Aicher also co-founded the Ulm School of Design." - (en.wikipedia.org 30.10.2019)
