The award, in memory of Professor Surain S. Sidhu, goes to an outstanding scientist who is within six (6) years of having earned the Ph.D. or its equivalent. The award honors significant contributions to the science of crystallography and/or diffraction. The prize is bestowed bi- or tri-ennial during the Pittsburgh Diffraction Conference, and carries a cash prize of $2000. Nominations can be forwarded by any Society member to any current member of the PDS Board of Directors at any time, for consideration by all Board members. The successful candidate must attend the Pittsburgh Diffraction Conference to present the Sidhu Award Lecture and receive the prize. 


Nomination Process


The next Sidhu Award will be bestowed during the 2024 Pittsburgh Diffraction Conference. Applicants need to be nominated by a Society member. Nominees, or interested third parties, should submit a letter that describes the candidate’s educational background, in particular the institution(s) from which they received their Ph.D., the name(s) of their thesis advisor(s), the title of their thesis, and the date upon which the Ph.D. degree was bestowed. Briefly summarize the scientific contribution that qualifies the candidate for consideration. Include reprints of pertinent publications and two (2) letters of recommendation from scientists who are familiar with the research of the candidate. Please also include the candidate’s CV. The entire application package should be electronically submitted as a pdf file to the chair of the selection committee, John P. Rose, at, for consideration by all Board members.


The application deadline for the 2024 Sidhu Award is July 31st, 2024.


Please don't hesitate contacting John Rose, or any PDS board member, if you have any questions about the award or the nomination process.



Professor Sidhu


Professor Surain S. Sidhu was a founding member of the Pittsburgh Diffraction Conference. In 1942 he was Professor of Physics and Director of the X-ray Laboratory at the University of Pittsburgh. Later, he moved to Argonne National Laboratory, where he pioneered the use of the null matrix in neutron diffraction. This involves choosing isotopes of an element in the proportion that gives a zero net coherent scattering factor. The procedure has been widely used for studying biological materials in which the isotopic ratio of H to D is appropriately adjusted.


Winners of the Sidhu Award


(1967)     Arthur I. Bienenstock

(1968)     Robert M. Nicklow

(1969)     Thomas O. Baldwin

(1970)     Sung-Hou Kim

(1971)     L. K. Walford

(1972)     Dale E. Sayers

(1974)     Bennett C. Larson & Nadrian Charles Seeman

(1975)     Patrick Argos

(1978)     Keith O. Hodgson & George DeTitta

(1980)     Gregory A. Petsko

(1985)     Douglas C. Rees

(1986)     David Agard & John M. Newsam

(1988)     Qun Shen

(1989)     Ming Luo

(1990)     Lee Brammer

(1992)     Raymond Charles Stevens

(1993)     Mark R. Pressprich & Todd O. Yeates

(1994)     Alice Vrielink & Jin Wang

(1995)     Millie M. Georgiadis

(1996)     Michael J. Regan

(1999)     Changill Ban & Markus Wahl

(2000)     William R. Wikoff

(2001)     Laurence Sheppard

(2002)     Yongjae Lee

(2003)     Erica Ollmann Saphire

(2004)     Yong Xiong

(2005)     Chong-Yu Ruan

(2006)     Peter Chupas

(2008)     Michael Hanson

(2010)     Hui Wu

(2013)     Thomas D. Grant

(2017)     Hande Öztürk

(2018)     Yen-Ting Lai

(2022)     Michael Martynowycz