Professor Robert I. Frost received the highest prize for a non-Polish historian writing about Polish history for his „The Oxford History of Poland-Lithuania”, volume I, published in 2015, which traces the history of the dynastic union between the Kingdom of Poland and the Grand Duchy of Lithuania from 1385 to the parliamentary union of 1569. The second volume, taking the history of the union from 1569 to the partitions of Poland-Lithuania (1772-1795) is in preparation.
Pro Historia Polonorum prize for Professor Robert Frost