Today's maps come from Jens Manuel Krogstad and Michael Keegan at Pew Research Center, who called the project "From Germany to Mexico: How America's source of immigrants changed over a century." Over at Pew Research, you can see the changing immigration patterns on Krogstad and Keegan's animated map.
A Princeton PhD, was a U.S. diplomat for over 20 years, mostly in Central/Eastern Europe, and was promoted to the Senior Foreign Service in 1997. He has taught courses for many years at Georgetown University pertaining to propaganda and public diplomacy. He currently shares ideas on the theme "E Pluribus Unum? What Keeps the United States United" to Eurasian/European delegates participating in the "Open World" program.
Brown’s articles have appeared in numerous publications. A recent piece is “Janus-Faced Public Diplomacy: Creel and Lippmann During the Great War” (published in Nontraditional U.S. Public Diplomacy: Past, Present, and Future).
He is the author (with S. Grant) of The Russian Empire and the USSR: A Guide to Manuscripts and Archival Materials in the United States. He also served as an editor/translator of a joint U.S.-Soviet publication, The Establishment of Russian-American Relations, 1765-1815.