Medical imaging interviews [videorecording] / 1989.

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Medical imaging interviews [videorecording] / 1989.

http://www.worldcat.org/oclc/79789831

The ACTA (Automatic Computerized Transverse Axial) scanner was developed in 1973. The introduction of this first full-body CAT--or CT (Computer Assisted Tomography)--scanner lead to advancement in medical imaging and diagnostic medicine, especially for non-invasive viewing of soft tissue inside the body. The machine revolutionized diagnosis in cancer, heart disease, and soft tissue irregularities by transmitting X-ray beams through transverse axial slices of the body, resulting in computerized cross-sectional images of the body part scanned. Robert S. Ledley, of Georgetown University Medical Center, designed the ACTA scanner, and it was first used in clinical operation there in 1973. Ramunas Kondratas, curator at the National Museum of American History (NMAH), interviewed Ledley, Homer Twigg, Robert Zeman, David Greigo and Seong Ki Mun about the history of CAT scanning in general, and the development and operation of the ACTA scanner in particular, as well as Ledley's more recent work in biotechnology instrumentation. Kondratas also visually documented CAT scanning equipment, from the earliest model ACTA scanner to most recent CT (Computerized Tomography) scanners. The project also includes a documentary film, "The ACTA Scanner," that explains the operating principles of the ACTA Scanner, c. 1978.

Videorecordings: 5 cassettes (7.5 hrs.)Transcript: 154 pp. plus 96 pp.Audiotapes: 3 cassettes (4.5 hrs.)

American Institute of Physics, Niels Bohr Library

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SNAC Resource ID: 8236452

Related Entities

There are 5 Entities related to this resource.

Zeman, Robert K.

http://n2t.net/ark:/99166/w6kp8mmj (person)

Mun, Seong K.

http://n2t.net/ark:/99166/w6h13nfn (person)

Ledley, Robert Steven.

http://n2t.net/ark:/99166/w6j68232 (person)

[Wikipedia] Robert Steven Ledley (born 28 June 1924) pioneered the use of digital electronic computers in biology and medicine. In 1959 he wrote two influential articles in the journal Science: "Reasoning Foundations of Medical Diagnosis" (with Lee B. Lusted) and "Digital Electronic Computers in Biomedical Science". Both articles encouraged biomedical researchers and physicians to adopt computer technology. In 1960 he established the National Biomedical Research Foundation (NBRF), a non-profit r...

Smithsonian Videohistory Program

http://n2t.net/ark:/99166/w67983c9 (corporateBody)

Professor of astrophysics, Harvard University, and astrophysicist, Smithsonian-Harvard Center for Astrophysics, was universally regarded for her revolutionary work on the large-scale structure of the universe. The discovery by Geller, John Huchra and Valerie de Lapparent of the bubble structure of galaxies was argubly among the most important work in the late twentieth century. From the description of Margaret J. Geller oral history interviews [videorecording] / 1989-1990. (Unknown)....

Kondratas, Ramunas

http://n2t.net/ark:/99166/w64t74q2 (person)