John Martyn aka John Marten, was a Master

Master (college)

A Master is the title of the head of some colleges and other educational institutions. This applies especially at some colleges and institutions at the University of Oxford and the University of Cambridge .- See also :* Master A Master (or in female form Mistress) is the title of the head of some...

 of University College

University College, Oxford

.University College , is a constituent college of the University of Oxford in England. As of 2009 the college had an estimated financial endowment of £110m...

, Oxford

University of Oxford

The University of Oxford is a university located in Oxford, United Kingdom. It is the second-oldest surviving university in the world and the oldest in the English-speaking world. Although its exact date of foundation is unclear, there is evidence of teaching as far back as 1096...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

Martyn was a Fellow at University College from 1427. As the Senior Fellow of the College, he became Master in 1441, a post he held until his death in 1473. This was a long time (32 years), especially for the period. It is probably the longest period at any Oxford college before 1500. During his time as Master, University College attained its first quadrangle

Quadrangle (architecture)

In architecture, a quadrangle is a space or courtyard, usually rectangular in plan, the sides of which are entirely or mainly occupied by parts of a large building. The word is probably most closely associated with college or university campus architecture, but quadrangles may be found in other...

or "quad".