Critchfield, Charles L. (Charles Louis), 1910-2011-06-092011-06-091987-05-29Charles L. Critchfield, OH 134. Oral history interview by William Aspray, 29 May 1987, Los Alamos, New Mexico. Charles Babbage Institute, University of Minnesota, Minneapolis. http://purl.umn.edu/107233OH 134https://hdl.handle.net/11299/107233Transcript, 10 pp. Audio file available at http://purl.umn.edu/95493The interview mainly concerns John von Neumann, whom Critchfield knew through his thesis advisor, Edward Teller, and through his work at Aberdeen and Los Alamos. It describes von Neumann's work on shaped charges; his work at the Ballistics Research Laboratory in Aberdeen, Maryland and his interactions there with Robert Kent; and his consulting work at Los Alamos, especially on the implosion device.en-USComputer historyUnited States -- Data processingU.S. Army Ballistic Research LaboratoryTeller, Edward, 1908-Mathematical physics -- ResearchLos Alamos Scientific LaboratoryKent, R. H., (Robert H.)Ballistics -- ResearchAberdeen Proving Ground (Md.). -- Geophysical Laboratory.Von Neumann, John, 1903-1957Oral History