International Union of Crystallography

Commission on Powder Diffraction

Commission web page


  • D. Billing (Chair, South Africa)
  • A. Altomare (Italy)
  • I. Evans (UK)
  • B. Kennedy (Australia)
  • A. Mukherjee (India)
  • A. Huq (USA)
  • D. Kovacheva (Bulgaria)
  • J. Rius (Spain)
  • T. Ida (Japan)
  • A. Wilkinson (USA)


  • J. Cline (USA)
  • M. Rowles (Australia)
  • P. Whitfield (Switzerland)
  • K. Page (USA)
  • D. Chopra (India)
  • M. Leoni (Italy)
  • E. Granado (Brazil)
  • W. Paszkowicz (Poland)

ICDD delegate

  • J.A. Kaduk (USA)
To see a graphical representation of former members, click here.

Terms of Reference

The Commission on Powder Diffraction was established at the Perth Congress in 1987, with the following terms of reference:
  • To advise the IUCr in organizing or sponsoring meetings, schools and Congress sessions on powder diffraction and related subjects.
  • To promote and coordinate scientific exchange between countries in the field of powder diffraction.
  • To cooperate with other IUCr Commissions on matters concerning powder diffraction.
  • To cooperate with other international bodies interested in powder diffraction and allied subjects.
  • To promote useful interactions of the IUCr with the large world-wide body of X-ray and neutron powder diffractionists.
  • To promote the scientific growth and development of the field of powder diffraction.