Ray Pepinsky explaining the X-RAC analogue computer system for Fourier syntheses and display of contour maps. Left to right: I. Fankuchen, J. M. Robertson, Low, Hughes, Friedman, D. Wrinch, R. Pepinsky.
Participants | Contributed by L. M. D. Cranswick | © IUCr | Conditions of reuse: CC BY 4.0