text:  _Tiedemann_ a less nimble operator but a far more learned surgeon had already made the medical schools of Heidelberg famous by his lectures and still valued publications; whilst the lamented and deeply penetrating _Stromeyer_--the tutor and friend of our own amiable and early-lost Edward Turner--had established himself already in _Goettingen_ and drawn around him a band of enthusiastic students who have since done honour to their teacher and in their turn become eminent amongst the first chemists of the day