Vilhelm BjerknesSource: http://earthobservatory.nasa.gov/Library/Giants/Bjerknes/

Richardson’s Forecast Factory (A. Lannerback).Dagens Nyheter, Stockholm. Reproduced from L. Bengtsson, ECMWF, 1984

John von Neumann and the ENIAC computerSource: ei.cs.vt.edu/~history/VonNeumann.html

Fred Shuman (right) and Otha Fuller circa 1955 at the IBM 701. The 701 was the first computer used by the JNWPU to produce operational numerical weather prediction.Source: NCEP (NWS)