Marie Neurath
Today, Neurath is mostly credited for starting Isotype. Isotype is a standarized system of illustrations, called pictograms. There are rules, how to combine these pictugrams, called a grammar. Neurath founded the  Isotype  institute with her husband in 1942. She continued it, until the 1970s, after her husband died in 1945. She also wrote some children's books, where she used illustrations toeducate the childrten.