Rudolf Modley (November 3, 1906 – September 28, 1976)[1][2] was an Austrian-American research executive, graphic designer, management consultant and author, who founded Pictorial Statistics Inc. in 1934. He illustrated and wrote a series of books on pictorial statistics and pictorial symbolism.
^Frank Hartmann, "Visualizing social facts: Otto Neurath’s ISOTYPE project." European Modernism and the Information Society: Informing the Present, Understanding the Past (2008): 223-40.
^Burke, Christopher. "The linguistic status of Isotype." From ontos verlag: Publications of the Austrian Ludwig Wittgenstein Society-New Series (Volumes 1-18) 17 (2013).