Mark Blackburn (numismatist) Mark Blackburn (numismatist) Mark Alistair Sinclair Blackburn, (5 January 1953 – 1 September 2011) was a British numismatist and economic historian. He was Keeper of Coins and Medals at Fitzwilliam Museum from 1991 to 2011, Reader in Numismatics and Monetary History at the University of Cambridge from 2004 to 2011, and a Fellow of Gonville and Caius College, Cambridge from 2005. He was the President of the British Numismatic Society between 2004 and 2008. In 1983, Blackburn was elected a Fellow of the Society of Antiquaries of London (FSA). In 1989, he was elected a Fellow of the Royal Historical
Collect for Purity Collect for Purity The Collect for Purity is the name traditionally given to the collect prayed near the beginning of the Eucharist in most Anglican rites. It appears in Latin in the 11th-century Leofric missal and was part of the preparation prayers of priests before Mass. Thomas Cranmer translated the prayer into English and from there it has entered almost every Anglican prayer book in the world. In the Leofric missal and the later Sarum Rite, the original Latin prayer occurs as one of the prayers said before Mass: A version appears as the introduction to the 14th Century anonymous