Professor R.E. Kalman-Reflections on his way of thinking

Professor R. E. Kalman passed away on July 2, 2016. His remarkable impact on the field of system and control theory and wider domains of science and engineering is now enshrined in text books, archival scientific and engineering literature, and numerous products and achievements of modern technology. In this paper, I will share some thoughts on his way of thinking about research, science, and engineering.