More on Kahn’s work can be found on this page: https://hekint.org/2022/03/31/dr-fritz-kahn-and-medical-infographics/ By 1942, besides politics, infographics were by this time covering other topics such as art, culture, poetry, and film. Refer to Figure 1-23. Figure 1-23.  Pictorial example of the popular topics for infographics in the 1940s In 1952, data visualization specialist Mary Eleanor Spear (1897–1986) further expanded upon the bar chart with the range bar, which later became the box and whisker plot in 1970, created by John Tukey. Refer to Figure 1-24. Figure 1-24.  Pictorial example of box and whisker plot charts of 1952–1970 By 1972 and 1973, infographics on gold-anodized aluminum plaques became an important part of…