| Unidentified photographer The first demonstration of x-rays in Texas by Robert S. Heyer at Southwestern University in Georgetown. [Detail showing an x-ray of a hand] 1897 Albumen print, detail 9 x 13 ins Private collection of Jack and Beverly Wilgus LL/107415 Robert Stewart Hyer, the man standing on the left by the table had built a working x-ray machine after reading about Röntgen's 1895 discovery. Heyer was the first President of SMU.
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