Paul Engel is an Emeritus Professor of Biochemistry at University College Dublin. He lectured at Sheffield for many years before taking up the chair of biochemistry at University College Dublin in 1994, where his research career focused on enzymology, kinetics, and protein engineering.
British-born Julian Elfer is an award-winning New York City-based actor and audiobook narrator. With over 100 titles to his credit, Julian brings a unique facility for characterization in fiction and an empathy for the personalities and events of the past.