Informal Conference on X-ray diffraction

Holzhausen, Ammersee, Germany

24 August - 29 August 1925

This photograph is the earliest currently in the IUCr archive. It was taken, on the occasion of a meeting convened by Paul Peter Ewald, in his mother's studio. The identification sketch also included is inscribed by Ewald himself. A fascinating account of the meeting is found in the Interview of Paul Peter Ewald by Charles Weiner on 17-24 May 1968, Niels Bohr Library & Archives, American Institute of Physics, College Park, MD USA,