Shull always cited Tech physics professors Harry Hower and Emerson Pugh as influential mentors; Pugh specifically for assisting in his application to and being accepted by New York University for graduate studies in physics in 1937.
Shull and Wollan built on Wollan's initial experiments to measure neutron coherent scattering amplitudes of practically all the known elements, extending the work to the study of magnetic materials.
CliffordGlenwoodShull, a 1994 Nobel Prize winner in physics for his pioneering work in neutron scattering, died of kidney failure on 31 March2001 in Lexington, Massachusetts.
When Shull arrived, Wollan had already assembled a two-axis neutron diffractometer, using a large NaCl crystal as a monochromator along with the Compton-designed sample table and counter arm that Wollan had used in his thesis work at the University of Chicago.
Early in this work of building a library of neutron scattering amplitudes, Shull and Wollan determined the hydrogen and deuterium amplitudes (both fairly large and opposite in sign) by measuring the diffraction patterns of sodium hydride and sodium deuteride.
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