University and at North Carolina State University. Much of Bradley's career has been at IBM. Bradley received a B.E.E. degree in 1971 from the University of Dayton, (Ohio). He went on to Purdue University in West Lafayette, Indiana, where he completed an M.S. degree in 1972 and Ph.D. in 1975, both in electrical engineering. Upon graduation he went to work for IBM in Boca Raton, Florida, as senior associate engineer. He worked on the Series/1 system. In 1978 he developed the I/O system for the System/23 Datamaster. In 1980 Bradley was one of twelve engineers developing the first IBM Personal Computer. Bradley developed the ROM BIOS. That got him promoted to manage the BIOS and diagnostics for the IBM PC/XT. In 1983 Bradley formed the Personal Systems Architecture Department. In 1984 he helped manage development of the Personal System/2 Model 30. In November 1987 Bradley became manager of advanced processor design. His group developed the 486/25 Power Platform and the PS/2 Models 90 and 95. In 1991 he became manager of systems architecture for the Entry Systems Technology group. In 1992 he became the architecture manager for the group that developed a personal computer using the PowerPC RISC microprocessor. In 1993 he returned to be the manager of architecture in the PC group. On January 30, 2004, Bradley retired from IBM. Bradley wrote about the development of the IBM PC, including Control-Alt-Delete, in the August 2011 issue of the IEEE's Computer magazine. References External links The History of IBM - about.com TechTV |Summer PC, Geraldo Rivera, IBM Anniversary Living people 1949 births IBM employees North Carolina State University faculty University of Dayton alumni