Question: Which Professor at the University of Hertfordshire in the United Kingdom has written several best-selling popular psychology books and has supervised other British psychologists such as Ciarán James O'Keeffe?
Sentence (from "George Jewsbury"): He joined authors T. Walter Wallbank, Alastair M. Taylor, and Nels M. Bailkey, beginning with the single volume fifth edition.
Relevant evidence: No