title: X-ray crystallography and the elucidation of the structure of DNA.
abstract: OBJECTIVE
  Since their discovery by Roentgen in 1895, x-rays have contributed to some of the most important advances in science. X-ray crystallography is an imaging technique that uses x-ray diffraction to evaluate the molecular structure of a crystalline solid. This article discusses the critical role played by x-ray crystallography in the elucidation of the structure of DNA.
  
  
  CONCLUSIONS
  The story of DNA includes insights on molecular structure provided by x-rays and also lessons on scientific collaboration and innovation that can be applied to radiology today.
authors: Department of Radiology, Indiana University School of Medicine, 702 Barnhill Dr, Rm 1053, Indianapolis, IN 46202-5200, USA.
authors: Hugh C J
authors: HC
authors: McGregor
authors: Richard B
authors: RB
authors: Gunderman