The beginning of the development of clinical decision support systems (CDSS) — interactive computer programs, or expert systems, designed to assist physicians and other health professionals with decision making tasks, including diagnosis. For further information see HistoryofInformation.com at this link. The paper is available at doi:10.1126/science.130.3366.9. JSTOR 1758070.

Ledley and team developed the developed the ACTA 0100 CT Scanner (Automatic Computerized Traverse Axial)— the first whole-body computed tomography scanner. With G. Di Chiro, A. J. Luessenhop, and H.L. Twigg. For further information see the entry in HistoryofInformation.com at this link.