Robert I. Frost (born 20 June 1958/1960) is a British historian and academic. His interests are in the history of Eastern and Northern Europe of the 14th to the 19th centuries, with a primary focus on the PolishâÂÂLithuanian Commonwealth and the history of warfare of the period.
Frost attended the University of St Andrews and the Jagiellonian University in Kraków, Poland. He earned his doctorate at the UCL School of Slavonic and East European Studies under Norman Davies.
Frost was a schoolmaster for three years in the mid-1980s. He became a temporary and permanent lecturer in history at King's College London, in 1987 and 1988 respectively, and Reader in 2001. He served as head of department there for three years. In 2004, he was appointed professor of early modern history at the University of Aberdeen, and there he served as head of the School of Divinity, History and Philosophy from 2004 to 2009. In 2013, he was appointed to the Burnett-Fletcher Chair of History.