Steven Anson Coons

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Steven Anson Coons ( ? – 1979) was an early pioneer in the field of computer graphical methods. He was a professor at the Massachusetts Institute of Technology in the Mechanical Engineering Department. Steven Coons had a vision of interactive computer graphics as a design tool to aid the engineer.

[edit] Work

During World War II, he worked on the design of aircraft surfaces, developing the mathematics to describe generalized "surface patches." At MIT's Electronic Systems Laboratory he investigated the mathematical formulation for these patches, and published one of the most significant contributions to the area of geometric design, a treatise which has become known as "The Little Red Book" in 1967. His "Coons Patch" was a formulation that presented the notation, mathematical foundation, and intuitive interpretation of an idea that would ultimately become the foundation for surface descriptions that are commonly used today, such as b-spline surfaces, NURB surfaces, etc. His technique for describing a surface was to construct it out of collections of adjacent patches, which had continuity constraints that would allow surfaces to have curvature which was expected by the designer. Each patch was defined by four boundary curves, and a set of "blending functions" that defined how the interior was constructed out of interpolated values of the boundaries.

Coons's students included Ivan Sutherland and Lawrence Roberts, both of whom went on to make numerous contributions to computer graphics and (in Roberts' case) to computer networks. Coons also advised Nicholas Negroponte.[1]

Coons co-authored, with John Thomas Rule, a book on mechanical drawing and graphic methods entitled Graphics c. 1961.

[edit] The Steven A. Coons Award

ACM SIGGRAPH has an award named for Coons. The Steven Anson Coons Award for Outstanding Creative Contributions to Computer Graphics is given in odd-numbered years to an individual to honor that person's lifetime contribution to computer graphics and interactive techniques. It is considered the field's most prestigious award.