Fifth Solvay Conference
· Institut International de Physique Solvay, Leopold Park, Brussels, Belgium
Wikimedia Commons · Public domain · file Bragg was among the participants photographed at the Fifth Solvay Conference on Electrons and Photons, a major international meeting on quantum theory. The source identifies Bragg in the participant photograph; date precision is limited to the documented conference month because the source does not specify which day he attended.
