The committee can only add its belief that the last quoted sentence from Hauptman's account has wide applicability to problems of chemical interest, some of which are described in the next chapter.


Harker, D., and J.S. Kasper, 1948, Acta Crystallogr. 1:70.

Hauptman, H.A., 1990, History of x-ray crystallography, Struct. Chem. 6:617–620.

Hauptman, H., and J. Karle, 1953, Solution of the Phase Problem 1. The Centrosymmetric Crystal, American Crystallographic Association Monograph No. 3, Polycrystal Book Service, Dayton, Ohio.

Karle, J., and H. Hauptman, 1950, Acta Crystallogr. 3:181.

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