A gentle intellectual giant in applied mathematics, numerical analysis, and CFD, prof. Saul Abarbanel, advisor of prof. David Gottlieb, an academic grand father of Pro. Wai Sun Don has past way last December at the age of 94+. He had been active in the academic community for over last six decades. Saul would be greatly missed by all who lifes in and outside the scientific community have been touched by his generosity and intellectual power

--- Prof. Wai Sun Don