J.D. Seader is Professor Emeritus of Chemical Engineering at the University of Utah. He received B.S. and M.S. degrees from the University of California at Berkeley and a Ph.D. from the University of Wisconsin. He has authored or coauthored 110 technical articles, 8 books, and 4 patents, and also coauthored the section on distillation in the 6th and 7th editions of "Perry's Chemical Engineers' Handbook," In 2004 he received the CACHE Award for Excellence in Chemical Engineering Education from the ASEE; and in 2004, he was a co-recipient of the Warren K. Lewis Award for Chemical Engineering Edu...