1

2 “..., is an expression of affection for the man and respect for his contributions as scholar, writer, and teacher...”

3 “.... In addition, he was a Fulbright Scholar (1992) and received the Alexander von Hum­ boldt Forschungspreis...”

4 “... of the first edition: ``A scholarly work, it is uncompromising in its approach to model formulation, while...”

5 “... objective in writing this book is to prepare an entree for scholars who are beginning their journey...”

6 “... unitary scheme giving the structure of this work. The book is mainly addressed to researchers and scholars...”

7 “... scholars working in control theory had learned many new things and had had many new insights into control...”