Welcome to the History Portal of the American Crystallographic Association

LINK: Meet Structural Scientists LINK: ACA Beginnings LINK: Videos/Audios 
LINK: Nobel Prize Winners LINK: Impact of Structural Science LINK: Crystallography in the Americas

Click on Meet Structural Scientists to see the People List. Over 100 crystallographers and structural scientists are featured.

Latest Additions


Latest Additions


RaoS. Narasinga Rao has been the CFO of the ACA for over 20 years. He has overseen the tremendous growth in total financial assets from $80,000 when he became Treasurer in 1989 to over one million dollars today. In his Living History he recounts his interesting journey from Madras, India to Edmond, OK. Rao includes some humorous stories and includes many photos of crystallographers whom you will recognize.

rognlieThe biography of David G. Rognlie describes his approach to the business of supplying diffraction equipment to ACA members. The ACA Award in Dave's honor mentions his "generosity of spirit, optimism, selflessness, and desire to help others." 
In his 2019 Fankuchen Award Lecture, Eaton E. Lattman provided an excellent introduction to SAXS (small-angle X-ray scattering) in solution.

TobyDreeleBrian H. Toby and Robert Von Dreele shared the 2019 Trueblood Award for their collaborative work in developing GSAS-II. The movie of their presentation is now online. 

Bryan CBryan C. Chakoumakos described his research with single-crystal neutron diffraction at Oak Ridge National Laboratory in this video of his 2019 Bau Award lecture.

Soriano-Garcia Manuel Soriano-García was educated in Mexico and  received his Ph.D. in biophysics under the direction of Rengachary Parthasarathy at SUNY Buffalo. As Research Professor at the National Autonomous University of México he established small-molecule and protein crystallography in Mexico, receiving many national awards.


The ACA History Project showcases and preserves the history of crystallography, X-ray diffraction, and structural science through online access, articles in ACA RefleXions quarterly magazine, and videos to our YouTube channel.

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