
Readers: A few weeks ago, I presented at the Tableau Fringe Festival EMEA about how Abraham Lincoln used the 1861 U.S. Coast Survey Map to help him understand slavery in the United States. This map, produced by the US Coast Survey in 1861, drew on census reports from 1860 – the last year that the US government collected census data […]

Readers: This is something I have been meaning to post for a while. I think all of you Minard Map lovers, Data Visualization historians, KANTAR fans, and history buffs will find this really exciting. As many of you are aware, in 1869, retired French civil engineer Charles Joseph Minard documented and then summarized eyewitness accounts, […]

Donald Trump has become well-known for attacking people, news agencies, and even his own cabinet, using Twitter. AXIOS, a new media company, has visualized these attacks using a sankey diagram. Here is a blurb how AXIOS describe themselves. AXIOS is a new media company delivering vital, trustworthy news and analysis in the most efficient, illuminating […]

Update August 21, 2017 10:53 am Arizona Time We all went onto the roof of our building with a pair of NASA safety glasses. My co-worker, David Melville, took the following photo at 10:50 am Arizona Time. Thanks, David! Eclipse on August 21, 2017 10:50 am Arizona Time in Glendale, Arizona Readers: On August 21, […]

Readers: I am preparing a presentation at work on Charles Joseph Minard’s map of Napoleon’s Russian Campaign of 1812. I have taken the largest version of the map I could find and added some annotations noting why Edward Tufte, in his seminal book, The Visual Display of Quantitative Information, calls Minard’s Napoleon map one of the “best statistical […]

The world’s first, and most famous, Disneyland Map is coming up for auction soon. Van Eaton Galleries will be auctioning off this map as well as nearly 1,000 Disneyland artifacts from 1953 to the present day. Some of these artifacts include original props, wardrobe, ride vehicles, and souvenirs. Of special interest in this auction is Walt Disney’s […]