"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 ...
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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)
