Marvin C. Mcmaster, PHD, is a consultant and adjunct professor of chemistryat the University of Missouri–St. Louis, teaching courses on HPLC, GC/MS, LC/MS,and laboratory computing. He is a former researcher and product developerfor DuPont, Kraft Foods, and Ciba-Geigy, and previously worked as a technical sales support specialist for instrument companies. In addition to the first edition of this book, Dr. McMaster is the author of HPLC: A Practical User's Guide, Second Edition and LC/MS: A Practical User's Guide, both available from Wiley.