I described the origins of and short history of Data Science in week 1. The origins include a 2001 action plan, by William Cleveland, a statistician, written when he was at Bell Labs, to define propose Data Science as a new academic discipline. A student in our class, Eurry Kim (with permission), created the following:

Kim says

I plucked a treemap I had drawn up for my admissions essay to Columbia. It’s an educational map based on William Cleveland’s definition of a data scientist. The areas of study are sized by the percent of curriculum Cleveland prescribed. And the color-scale denotes the level of verbiage he devoted to elucidating the area of study in his paper.
See: http://flowingdata.com/2012/02/03/an-action-plan-for-data-science-a-decade-ago/

We’re so meta in this class!