John Appleton 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...

.

Appleton was a mature commoner and Fellow of University College. He became Master of the College circa 1401 and remained in the post until about 1408. At the end of 1403, King Henry IV

Henry IV of England

Henry IV was King of England and Lord of Ireland . He was the ninth King of England of the House of Plantagenet and also asserted his grandfather's claim to the title King of France. He was born at Bolingbroke Castle in Lincolnshire, hence his other name, Henry Bolingbroke...

 gave the College the manor of Marks Hall, located near Margaret Roding, one of The Rodings villages in Essex

Essex

Essex is a ceremonial and non-metropolitan county in the East region of England, and one of the home counties. It is located to the northeast of Greater London. It borders with Cambridgeshire and Suffolk to the north, Hertfordshire to the west, Kent to the South and London to the south west...

, through the efforts of Appleton's friend Walter Skirlaw

Walter Skirlaw

Walter Skirlaw was an English bishop and diplomat. He was Bishop of Durham from 1388 to 1406...

, the Bishop of Durham. This supported three new Fellows at the College. The College prospered and developed under Appleton's mastership, especially in the area around Logic Lane

Logic Lane

Logic Lane is a small historic cobbled lane through University College in Oxford, England, so-called because it was the location of a school of logicians. It links the High Street at the front of the college with Merton Street to the rear, which is also cobbled...

 (formerly Horseman Lane) off the High Street

High Street, Oxford

The High Street in Oxford, England runs between Carfax, generally recognized as the centre of the city, and Magdalen Bridge to the east. Locally the street is often known as The High. It forms a gentle curve and is the subject of many prints, paintings, photographs, etc...

, to the east of the main part of the College.

He later received a special Fellowship at the College in 1438.