Bruno Heim

Bruno Bernard Heim (5 March 1911 – 18 March 2003) was a Swiss prelate and Latin Titular Archbishop of Xanthus, a long-serving diplomat of the Holy See who among other appointments was Apostolic Delegate to Great Britain, and later Apostolic Pro-Nuncio, and eventually Apostolic Nuncio, serving until his retirement as a diplomat in 1985.

Heim was also one of the most prominent armorists of twentieth century ecclesiastical heraldry. He published five books on heraldry and was responsible for designing the coats of arms of four popes.

He was also Grand Prior of the Sacred Military Constantinian Order of Saint George. Provided by Wikipedia