Provost (religion) chaplains, both Roman Catholic and Protestant ("e.g., Feldpropst" in Prussia). In England, the title of provost in cathedrals was almost completely replaced by that of dean, although sometimes when a bishop nominated himself as dean of his own cathedral, a provost was appointed as his deputy. In cathedrals which were also parish churches, however, especially the newly created cathedrals of the 19th and 20th centuries, the senior priest (who was also the parish priest) continued to be known as the provost. This title was used by the head priests of Birmingham Cathedral, Blackburn Cathedral, Bradford Cathedral, Chelmsford Cathedral, Coventry Cathedral,
Doctor (title) to address envelopes to medical doctors, omitting the pre-nominal title of Dr (e.g. John Smith, Esq, MD; John Smith, MD; John Smith, MB) except in Scotland and for general practitioners, where the post-nominals are instead usually omitted (e.g. Dr John Smith). Black's also state that it is down to individual choice whether non-medical doctors are addressed on envelopes as "Dr John Smith" or "John Smith, Esq, PhD" (or appropriate letters for the doctorate held), with the exception of doctors of divinity, who would be "The Rev. J. Smith, DD" on the envelope and "Reverend Sir" in a formal salutation (informally