Colin G. Scanes is a professor of Animal Science at Iowa State University. He was educated in the UK with a B.S. from Hull University and Ph.D. from the University of Wales. He was formerly on the faculty at the University of Leeds and Rutgers-the State University of New Jersey where he was department chair. He has published extensively in poultry and animal science with 10 books and over 500 papers. He has received numerous awards, including election as a fellow of the Poultry Science Association and Honorary Professor at the Agricultural University of Ukraine. George Brant is a Professor of Animal Science at Iowa State University. He received his undergraduate education at Oklahoma State University (graduating in 1963). His graduate education was at Oklahoma State University (Master of Science, 1965) and University of California-Davis (Doctor of Philosophy, 1971) . He is a longtime member of the Poultry Science Association. Dr. Brant teaches extensively in animal science: basic concepts of animal science, domestic animal physiology, poultry science, companion animal science, companion animal systems management, agriculture travel course preparation, and agriculture travel course (AnS 496). M. E. Ensminger (1908-1998) grew up on a Missouri farm. He was educated at the University of Missouri (B.S. and M.S.) and the University of Minnesota (Ph.D.). He was on the staff of the University of Massachusetts, then Minnesota, and finally Washington State University (serving as department head). He was president of the Agriservices Foundation. Dr. Ensminger authored 22 books on animal, dairy, beef, and sheep science and nutrition (some are translated into several languages) and numerous articles. His international recognition stemmed from his service to the animal industry, and his book, together with his International Stockman's Schools and his International Ag-Tech Schools. He received numerous awards.