Steven Jacobs (http://cefns.nau.edu/~smj93/) retired from the aerospace industry and is now a lecturer in the School of Informatics, Computing, and Cyber Systems as well as University College Faculty Fellow at Northern Arizona University, Flagstaff, Arizona. He was with Northrop Grumman Information Systems (formerly TRW) in Carson, California for 25 years. He was also Adjunct Assistant Professor at the University of Southern California Department of Computer Science for 17 years, where he developed and taught their graduate courses in user interface design and human performance engineering. He received his M.S.C.S. from UCLA and B.A. in Mathematics from Monmouth University (N.J.). Mr. Jacobs is a Senior Member of ACM.