|Photo credit: Robert Stockfield|
As part of the APS historic sites initiative, at the March Meeting a plaque was presented to Johns Hopkins University to commemorate the work of Henry A. Rowland, Professor of Physics at Johns Hopkins from 1875 to his death in 1901, and inventor of the diffraction grating that bears his name. He was also the founding president of the American Physical Society in 1899. Presenting the plaque on behalf of APS was past-President Marvin Cohen (left). The plaque was accepted by Adam Falk (center), the James B. Knapp Dean, Krieger School of Arts and Sciences at Johns Hopkins. Watching at right is John Rigden of Washington University, St. Louis, the Chair of the APS Historic Sites Committee.
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