Otl Aicher (May 13, 1922 – September 1, 1991), was one of the leading German graphic designers of the 20th century.
In 1953, along with Inge Scholl and Max Bill, he founded the Ulm School of Design which became one of Germany's leading educational centres for design during the 1950s and 1960s.
Aicher is best known for being the lead designer for the 1972 Munich Olympics. He created a new set of pictograms that paved the way for the ubiquitous stick figures currently used in public signs.