The Magazine of IEEE-Eta Kappa Nu July 2017 - 15

Dorothy Schnabel: A Pioneer of Women in Engineering

Dorothy Schnabel:
A Pioneer of Women
in Engineering
Dorothy L. Schnabel
In 1953 when I became a member of the Beta Pi Chapter of HKN at the City
College of New York, digital computers were just beginning to be developed.
At City, I learned how to design binary and/or circuits using vacuum tubes. At
IBM in the summer of 1955, I wrote programs to be used by an assembly
program. Each program step was put on one punched card and coded in
only "0" and "1" bits. Vacuum tubes were used for the logic in this computer
for national defense.
In the late 1950s, as an IBM employee, I designed logic for a computer, using transistors, for the purpose of code
cracking. In the 1960's, I participated in exploring different computer designs to support the new System/360
architecture, wrote microprograms to execute decimal and floating point instructions, and evaluated the performance
of designing computers.
For most of the remaining 30 years at IBM, I held various positions supporting the development of high performance,
large mainframe computers as an engineer and manager. It was an exciting and challenging journey.

THE BRIDGE // Issue 2 2017

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http://www.brightcopy.net/allen/brid/113-3
http://www.brightcopy.net/allen/brid/113-2
http://www.brightcopy.net/allen/brid/113-1
http://www.brightcopy.net/allen/brid/112-3
http://www.brightcopy.net/allen/brid/112-2
http://www.brightcopy.net/allen/brid/112-1
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