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Photograph with gray scale.
Above photograph by Shanna Swan. Courtesy of the Department of Statistics, UC Berkeley. Used by permission. Original print 3.89 inches wide, 4.86 inches high.

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Photograph with color-separation guide
Above photograph by Professor George M. Bergman, Department of Mathematics, UC Berkeley. Date: October 3, 1973. Used by permission. Original photograph 4.6 inches wide, 3.1 inches high.

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Photograph with color-separation guide
Above photograph by Professor George M. Bergman, Department of Mathematics, UC Berkeley. May 6, 1997. Used by permission. Original photograph 5 inches wide, 3.5 inches high.

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Photograph with gray scale
Above photograph by Professor Jane-Ling Wang, Department of Statistics, UC Davis. Used by permission. Original photograph 4 inches wide, 6 inches high.