It was featured in various articles including this one by Vice: http://motherboard.vice.com/blog/a-guide-to-bitcoin-mining-w...

The designers are Joshua J. Romero, Brandon Palacio & Karlssonwilker Inc

J. Romero is an Associate Editor at IEEE: http://www.sciencewriters2010.org/speakers/joshua-j-romero.h... B. Palacio is Deputy Art Director at IEEE and posted the image here: http://visual.ly/bitcoin-infographic Karlssonwilker Inc. is a NYC design company: http://www.karlssonwilker.com/#