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Offer Letter from Hughes Aircraft
This 1952 letter from Hughes Aircraft offered Warfield a position in their Research and Development Laboratories, working on "classified government projects."
Offer Letter from Pennsylvania State College
Warfield returned to Penn State in 1949 as an Instructor in Electrical Engineering. This offer letter lays out the specifics of salary, duties, and the possibility of tenure.
Organization Chart, Center for Interactive Management, 1988
This 1988 organizational chart shows the key players in the Center for Interactive Management at George Mason University.
Outstanding Contribution Award, 1977
Warfield was given the 1977 Outstanding Contribution Award by the Systems, Man, and Cybernetics Society, part of the Institute of Electrical and Electronics Engineers.
Participants at 1994 Ford IM session
Participants work on individual assignments during an Interactive Management for Ford Motor Company in 1994.
Partnership with Ecuador
Warfield signs an agreement with the Central University of Ecuador and Ecuadorian researchers to explore Interactive Management solutions to problems with Ecuador's economy. Shown in this photo are:
Seated (L-R): John Warfield, Tiberio…
Seated (L-R): John Warfield, Tiberio…
Patent for a Digital Squelch System
Warfield's second patent was for a "digital squelch system."
Patent for a Double Bridge Network for Producing Signals Having a Modulation Envelope Phase Difference
This patent, Warfield's second, was also known as a "digital goniometer."
PENNSTAC: Fast Memory Switch Wiring Diagram
This one page excerpt is from a large binder of computing materials related to the PENNSTAC computer project at Penn State in the 1950's. Note that the diagram has been approved and initialed by Warfield.
Principal Discoveries in My 32-Year Research Program on the Study of Complexity
This 2000 paper by Warfield attempts to boil down his 32 years of research into 6 short pages.
Private John Warfield
This photo of Private John Warfield was taken in 1944, while stationed in Arkansas.
Problematique for Defense Information Systems Agency
Problematique output from 1995 IM session with SRA for DISA (Defense Information Systems Agency).
Problematique for Gender Issues in Liberia
This problematique describing contributing factors to gender perceptions and abuse in Liberia was created by The Jeffrey Group, utilizing Interactive Management techniques.
Proposed Layout for Ford IM Workspace
This 1998 plan for an expanded IM workspace at Ford was never constructed. Cost was estimated at $3.3 million.
Recruiting Letter from Ordnance Research Laboratory
This 1951 letter from Ordnance Research Laboratory Personnel Director Arnold Addison is one of a number of such exchanges he had with Warfield during this period. Note that he references Secretary of Defense Robert Lovett as someone keenly interested…
Return to Penn State
In 1949, Warfield returned to Penn State College, this time as a member of the faculty, teaching Electrical Engineering. Here, he poses by the side of the road with an automobile.
Short Course on Design of Digital Control Circuits
This 1953 photo shows John Warfield with colleagues at the "Short Course on Design of Digital Control Circuits" in Murray Hill, N.J. Warfield is in the third row, fourth from the right.
Sigma-5 Diagram for Interactive Management
The Interactive Management process is comprised of 5 distinct components, seen in this diagram. The drawing is taken from 1985's "A Course in Generic Design."
Spiral Diagram of Systems Engineering Activity
A diagram drawn by Warfield illustrates the iterative process used in systems engineering.
Studio Portrait, 1947
Warfield poses for a studio portrait in Columbia, MO, in 1947.
Studio Portrait, 1950
Warfield poses for a studio portrait while at Penn State, in 1950.
Syllabus for a Course in Social Systems Design
This syllabus for a 1981 course at the University of Virginia reflects Warfield's growing focus on Systems Science.
Systems Engineering Workshop, 1971
Warfield and colleagues pose for a group photo at a Systems Engineering Workshop in February 1971. Warfield is in the center of the front row.
Systems Engineering Workshop, 1971
Participants in a February 1971 Systems Engineering Worshop, held at a Battelle facility in Seattle, pose for a photo. Warfield is seated at far right, the third person in from the right side of the photo.
Systems Engineering, 1955
Warfield did research work at Penn State for the military. In this 1955 report published by the Navy Department's Ordnance Research Laboratory, Warfield provides suggestions for effective methods to manage systems.