[1] Settling in Cambridge, in 1814 Haviland succeeded Sir Busick Harwood as the university professor of anatomy.
Three years later, in 1817, Sir Isaac Pennington died, and Haviland succeeded him both as the University Regius Professor of Physic and as physician to Addenbrooke's Hospital.
[2] In 1839, which was the year of his 54th birthday, he resigned the Addenbrooke's job on health grounds, but he retained the Regius Professorship till his death in 1851.
[2] In 1819 Haviland married Louisa Pollen who was, like his mother, the daughter of an apparently well provided Church of England minister.
[1] By the time of his death Haviland had acquired a substantial property at Fen Ditton, roughly 5 km (3 miles) downstream from his college.