Durham University there is no formal teaching at Durham colleges (with the exception of Cranmer Hall theological college within St John's), although colleges are active in research. The colleges dominate the residential, social, sporting, and pastoral functions within the university, and there is heavy student involvement in their operation. Formal dinners (known as "formals") are held at every college; gowns are worn to these events at just over half of the colleges. Gowns are not worn for formals at Collingwood, St Aidan's, St Cuthbert's, Hild Bede, Van Mildert, Stephenson or Ustinov. There is a great deal of intercollegiate rivalry, particularly in rowing
Johannes van Mildert to the fact that he was born and raised in Königsberg, which was then part of Germany. He was married to Elisabeth Waeyens and his son Cornelis van Mildert was also a sculptor and draughtsman. His daughter Elizabeth married the sculptor Gerard van Opstal. His son Cornelis and his son-in-law Gerard van Opstal completed some of the works left unfinished at the time of his death. From about 1617 onwards van Mildert received multiple large commissions as a sculptor-architect and maker of small-scale architectural stone church furniture. He thus became the main competitor of the workshop of the brothers Hans