Diederik W.P. Burgersdijk, Ph.D. (2009) teaches classical languages at Barlaeusgymnasium, Amsterdam, and is guest researcher at the University of Amsterdam. He is presently working on a study of style and structure of the Historia Augusta.
Joop A. van Waarden, Ph.D. (2009) is a former headmaster of Bonhoeffer College in Castricum and guest researcher at the University of Amsterdam. His study of the episcopal letters in the seventh book of Sidonius Apollinaris' correspondence will be published in 2010.