In 1541 Bishop John Christopherson became a Fellow of Pembroke College, Cambridge University.

In 1542 Bishop John Christopherson became a Fellow of St John's College, Cambridge University [Map].

In 1546 Bishop John Christopherson became a Fellow of Trinity College, Cambridge University [Map].

In 1553 Bishop John Christopherson was appointed Master of Trinity College, Cambridge University [Map] which post he held until 1558.

Henry Machyn's Diary. 26 Jan 1557. [The xxvj day of January went to Cambridge, Watson (age 42) bishop elect of Lincoln, Scot bishop of Chester, and Christopherson bishop elect of Chichester,] comyssyoners to the [lord cardinal, to the] chyrche of sant Mares [Map], and thay toke up on Martin [Bucer] that was bered ther, and Paulus Phagius [was] taken up at Sant Myghelle cherche that was [buried there,] and after brentt [burned] boyth.

Henry Machyn's Diary. 28 Dec 1558. [The xxviij day of December the late bishop of Chichester was buried at Christchurch [Map], London,].... skochyons, and torchys, and xviij stayffe .... branche tapers, with iiij dosen penselles and iiij .... and a d' [a half] of bokeram, and a grett baner of armes [of the see] of Chechastur, and ys own armes, and iiij baners of [saints]; master Clarenshus was the harold; and v bysshopes dyd offer [at] the masse, and iij songe masses that day, and after a grett [dinner,] and xviij pore men had rosett gownes of frys.

Note. P. 184. Funeral of the bishop of Chichester. John Christopherson, previously dean of Norwich, consecrated 21 Nov. 1557, deprived 1558.