Yvette Cauchois was a French physicist known for her contributions to X-ray spectroscopy and X-ray optics, and for pioneering European synchrotron research.
Solvay Conference on Physics in Brussels 1951; Cauchois is seated, third from left.
Horia Hulubei was a Romanian nuclear physicist, known for his contributions to the development of X-ray spectroscopy.
Horia Hulubei
Hulubei in his lab