NICHOLAS A. NECHVAL received the PhD degree in automatic control and systems engineering from the Riga Civil Aviation Engineers Institute (RCAEI) in June, 1969, and the DSc degree in radio engineering from the Riga Aviation University (RAU) in June, 1993. At present, he is Professor of Mathematics and Computer Science at the University of Latvia, Riga, Latvia. In 1992, Dr. Nechval was awarded a Silver Medal of the Exhibition Committee (Moscow, Russia) in connection with research on the problem of Prevention of Collisions between Aircraft and Birds. His book, â€˜Improved Decisions in Statisticsâ€™ (co-authored with E.K. Vasermanis) was awarded the â€˜2004 Best Publication Awardâ€™ by the Baltic Operations Research Society.