Paul F. Cook is the Grace B. Kerr Centennial Professor of Chemistry and Biochemistry at the University of Oklahoma. His awards and achievements twice included the Alexander von Humboldt Research Fellowship and he was the recipient of the National Institutes of Health Research Career Development Award from 1983 to 1988. Professor Cook is Associate Editor of Protein and Peptide Letters and Executive Editor of Proteins and Proteomics.W.W. Cleland is the M.J. Johnson Professor and Steenbock Professor of Chemical Science at the Enzyme Institute at University of Wisconsin-Madison. In the early 1960s, ClelandÃ¢ï¿½ï¿½s landmark papers created a theoretical framework for the study of steady-state kinetics of multisubstrate enzymes and laid the foundation for all subsequent steady-state studies. He serves on the editorial boards of Journal of Biological Chemistry and of Biochemistry. Recognized by many as the Ã¢ï¿½ï¿½father of modern enzyme kinetics,Ã¢ï¿½ï¿½ Professor Cleland was elected to the National Academy of Sciences in 1985.