Jones and J. R. Martindale, which produced The Prosopography of the Later Roman Empire (three volumes, Cambridge, 1971–1992), covering the period from 260 (the accession of Gallienus) to 641 (the death of Heraclius, marking the end of late Antiquity).
The Palaiologan period, after 1261, is covered by the Prosopographisches Lexikon der Palaiologenzeit, launched by the Austrian Academy of Sciences under the direction of Erich Trapp and published between 1976 and 1991.
The first result was the Prosopographie der mittelbyzantinischen Zeit, Abteilung I: 641–867, edited by Friedhelm Winkelmann and Ralph-Johannes Lilie and published in five volumes between 1998 and 2002.
In 2001, the British Academy published a CD-ROM with its own Prosopography of the Byzantine Empire I (641–867), edited by John Robert Martindale, which is complementary to the German work.
The current chair is Professor Charlotte Roueché FSA, head of the Byzantine and Modern Greek Studies department at King's College London.