During his career, Dr. Walter C. Brown was a leading authority in the fields of drafting and print reading. He served as a consultant to industry on design and drafting standards and procedures and held a variety of professional offices of state and national associations.Ryan K. Brown is an Associate Professor in the Department of Technology at Illinois State University, Normal, Illinois. He has been involved with drafting education for over thirty years. His experiences include secondary education at the junior and senior high level; faculty member at his almamater, Eastern Kentucky University; drafter for Sargent and Greenleaf, Inc.

; geometric dimensioning and tolerancing consultant; and summer experiences in a wide array of drafting and graphics-based positions, such as steel detailing and civil engineering applications. His current roles in draftingeducation also include the authorship of activities and problems for secondary-level drafting competitions and architectural drafting applications that include 2D drafting, 3D modeling, and rendering and animation.