(b.) Unknown
Citations:
Courtesy of University of Minnesota Digital Conservancy
(b.) February 29, 1932 — (d.) November 16, 2007
Citations:
Courtesy of Stanford University
Courtesy of University of Minnesota Digital Conservancy
(b.) 1914 — (d.) August 5, 2003
Citations:
Courtesy of University of Minnesota Digital Conservancy
(b.) March 13, 1929 — (d.) July 5, 1997
Citations:
Courtesy of University of Bologna
(b.) May 10, 1914 — (d.) 2004
Citations:
Courtesy of University of Minnesota Digital Conservancy
Courtesy of Worldcat
(b.) 1940
Citations:
Courtesy of ACM Digital Library
Courtesy of The Scientist
Courtesy of University of Minnesota Digital Conservancy
(b.) Unknown
Citations:
Courtesy of University of Minnesota Digital Conservancy
(b.) August 25, 1932
(b.) June 24, 1932 — (d.) August 24, 2015
Citations:
Courtesy of ACM Ubiquity