Johan H. Huijsing received his M.Sc. in Electrical Engineering from Delft University of Technology, Delft, The Netherlands, in 1969, and his Ph.D. from the same University in 1981 for work on operational amplifiers. Since 1969 he has been a member of the Research and Teaching Staff of the Electronic Instrumentation Laboratory, Department of Electrical Engineering, Delft University of Technology, where he became a full Professor of Electronic Instrumentation since 1990, and professor-emeritus since 2003. He teaches courses on Electrical Measurement Techniques, Electronic Instrumentation, Operational Amplifiers and Analog-to-digital Converters. His field of research is Analog Circuit Design… (operational amplifiers, analog multipliers, etc.) and Integrated Smart Sensors. He is author or co-author of some 250 scientific papers, 40 patents and 13 books, and co-editor of 13 books. He is fellow of IEEE. He received the title award of "Simon Stevin Meester" from the Dutch Technology Foundation.