He was seven years at the school of a Mr Griffith before he was admitted to Caius at the age of sixteen on 13 December 1667 and was a scholar from Michaelmas 1668 until Lady Day 1674, when he was elected a junior Fellow of his college.
[2] In 1700, Green gained the important university chair of Regius Professor of Physic, which he held for more than forty years until his death on 1 April 1741.
[2] The foundation of the Regius chair provided the holder with a house in Cambridge, which Green sold.
[3] A medical history has noted that in his role as Regius professor Green did "little if any teaching".
[4] There were only three holders of the chair between 1700 and 1817, Green (1700–1741), Russell Plumptre (1741–1793), and Isaac Pennington (1793–1817), and the man of letters Christopher Wordsworth noted that their long duration in post "speaks well for their professional treatment of themselves".