Complex sentence: Was educated at the local school along with Mungo Park.Ttaking full qualifications as a doctor of medicine and, after local experience, found himself ship's surgeon on a merchant ship, the' Calcutta'.
Split into simpler sentences: Was educated at the local school along with Mungo Park. After taking full qualifications as a doctor of medicine and, after local experience, found himself ship's surgeon on amerchant ship, the' Calcutta'.