Steven R. Schmid received his B.S. in mechanical engineering from the Illinois Institute of Technology in 1986. He earned his master's degree from Northwestern University in 1989 and his Ph.D. in 1993, both in mechanical engineering. In 1993 he joined the faculty at the University of Notre Dame, where he is a professor of aerospace and mechanical engineering, teaching and ... Read moreconducting research in design and manufacturing. Dr. Schmid holds professional engineering (P.E.) and certified manufacturing engineer (C.Mfg.E.) licenses. He was awarded the ASME Foundation Swanson Fellowship in 2012, and is a Fellow of the American Society of Mechanical Engineers. Bernard J. Hamrock joined the staff of Ohio State University as a professor of mechanical engineering in 1985 and is now professor emeritus. Before joining Ohio State University he spent 18 years as a research consultant in the Tribology Branch of the NASA Lewis Research Center in Cleveland, Ohio. He received his Ph.D. and doctor of engineering degrees from the University of Leeds, England. His research has resulted in a book, three separate chapters for handbooks, and over 150 archival publications. He has received several awards including the 2000 Mayo D. Hersey Award from the American Society of Mechanical Engineers. Bo O. Jacobson received his Ph.D. and D.Sc. degrees from Lund University in Sweden. From 1973 until 1987 he was professor of machine elements at Lulea University of Technology in Sweden. In 1987 he joined SKF Engineering & Research Centre in the Netherlands, while retaining a professorship at Chalmers University from 1987 to 1991 and at Lulea University of Technology from 1992 to 1997. In 1997 he was appointed professor of machine elements at Lund University, Sweden. He has published four compendia used at Swedish universities, and has contributed more than 100 archival publications. His awards include the Tribology Gold Medal received in 1997. Show Less