Thomas Duffield (academic) explained

Thomas Duffield was a Master of University College, Oxford, England.^{[1] [2]} Duffield became Master of the College in 1396 and remained in the post until 1398.

Notes and References

1. Darwall-Smith, Robin, A History of University College, Oxford. Oxford University Press, 2008. . Appendix I, page 529.
2. Carr, William, University College, Routledge, 1998. . Chapter IV, The Fourteenth Century (pages 31–52).