graduate of Johns Hopkins University, he has written three books on the history of Johns Hopkins Medicine: Centuries of Caring: The Johns Hopkins Bayview Medical Center Story (2004); Leading the Way: A History of Johns Hopkins Medicine (2012); and The Special Field: A History of Neurosurgery at Johns Hopkins (2015). He also has written about many other facets of the university, including its century-long history as a lacrosse powerhouse – and is the creator of the cartoon Blue Jay mascot.