If anyone else is curious about the second picture, I tineyed ( http://tineye.com/search/863a041e2607e3405d2dcec1fb148bce4713e8f5/ http://tineye.com/search/863a

If anyone else is curious about the second picture, I tineyed ( http://tineye.com/search/863a041e2607e3405d2dcec1fb148bce4713e8f5/ http://tineye.com/search/863a041e2607e3405d2dcec1fb148bce471... ;-) it and found two agreeing attributions. One from a 2010 piece by Terry Tao: https://terrytao.wordpress.com/2010/09/14/a-second-draft-of-a-non-technical-article-on-universality/ https://terrytao.wordpress.com/2010/09/14/a-second-draft-of-... ' Fig 23. A "living histogram" of 143 students at the University of Connecticut, with females in white and males in black. (Source: The Hartford Courant, “Reaching New Heights,” November 23, 1996) Compare this non-bell-shaped distribution with Figure 5. ' And another also mentioning U. Connecticut and crediting the photographers in the image itself: http://image.slidesharecdn.com/visualiationofquantitativeinformation-110321181118-phpapp01/95/visualiation-of-quantitative-information-39-728.jpg?cb=1300731563 http://image.slidesharecdn.com/visualiationofquantitativeinf...