The stunning charts you see here were hand drawn and colored at the turn of the 19th century, by Sociology students at Atlanta University (now Clark Atlanta University). Their professor at the time, African American activist W.E.B. Du Bois, was organizing the upcoming “American Negro” exhibit for the 1900 Exposition Universelle in Paris.

A huge share of the nation's economic growth over the past 30 years has gone to the top one-hundredth of one percent, who now make an average of $27 million per household. The average income for the bottom 90 percent of us? $31,244.

Trends of 2000-2010, from the New York Times.