William Teulon Swan Stallybrass (formerly William Teulon Swan Sonnenschein; 22 November 1883 – 28 October 1948) was a barrister, Principal of Brasenose College, Oxford, from 1936, and Vice-Chancellor of the University of Oxford from October 1947 until his death.
[1] He was the son of the publisher William Swan Sonnenschein and the nephew of the classical scholar Edward Adolf Sonnenschein,[1] and was colloquially known at Oxford as "Sonners" for his former surname;[2] in 1917, together with his father, he took the surname of his great-grandfather, the Reverend Edward Stallybrass.
[3][4] As an undergraduate at Brasenose, he played cricket; he served as treasurer of the Oxford University Cricket Club from 1914 to 1946.
[1] He was a barrister when he was asked in 1912 to return to his college as a fellow, where he specialised in criminal law[4] and became Master of the college in 1936.
[4] He died a year later in a railway accident when he stepped out of a moving train near Iver station in Buckinghamshire, the first death of an Oxford vice-chancellor while in office.