Browse Items (2 total)
Spiral Diagram of Systems Engineering Activity
A diagram drawn by Warfield illustrates the iterative process used in systems engineering.
The Warfield Family, 1970
John Warfield poses with his family in January 1970 at their Columbus, OH home.
Standing (L to R): Daniel, Nancy, John
Sitting (L to R): Thomas, Rosamond
Standing (L to R): Daniel, Nancy, John
Sitting (L to R): Thomas, Rosamond