© 2016 Mikkel Kristiansen.
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"US and USSR nuclear stockpiles" by Created by User:Fastfission first by mapping the lines using OpenOffice.org's Calc program, then exporting a graph to SVG, and the performing substantial aesthetic modifications in Inkscape. - Own work Source data from: Robert S. Norris and Hans M. Kristensen, "Global nuclear stockpiles, 1945-2006," Bulletin of the Atomic Scientists 62, no. 4 (July/August 2006), 64-66. Online at http://thebulletin.metapress.com/content/c4120650912x74k7/fulltext.pdf. Licensed under Public domain via Wikimedia Commons.
"L to R, British Prime Minister Winston Churchill, President Harry S. Truman, and Soviet leader Josef Stalin in the... - NARA - 198958" by Unknown or not provided - U.S. National Archives and Records Administration. Licensed under Public domain via Wikimedia Commons.