Peregrine Horden is professor in medieval history at Royal Holloway, University of London.
Horden's research is in the area of Mediterranean cities and medicine in the Middle Ages.
[2] The publication of his book The Corrupting Sea: A Study of Mediterranean History (co-written with Nicholas Purcell) was hailed as a 'notable intellectual event'.
[3] The book's main thesis is that the Mediterranean is a region made up of micro-regions.
Horden and Purcell stress the longues durées and insist that the different themes of history, i.e. politics, culture, economy, ideas and institutions must be studied in close association.