A.J. Baker is an Emeritus Professor at the Dept of Mechanical, Aerospace, and Biomedical Engineering of the University of Tennessee, Knoxville, USA. He has had a career of over 60 years in mechanical engineering, including spells in industry as well as academia, with most of that time spent working on computational fluid dynamics. He has published over 300 publications, including 5 books, and holds 2 US patents.