Caesarius of Nazianzus is remembered in medicine for work that altered practice rather than merely argument.
The record lists Caesarius of Nazianzus as physician and saint.
Caesarius of Nazianzus was born at Arianzos in 330.
Medicine then rested on observation, humoral theory and inherited authority; anatomy was largely guessed at.
Most medical progress is invisible: it shows up as an illness that no longer kills anyone.
Caesarius of Nazianzus died in 368, aged 38. What survives is the change in practice, which is how a medical life is actually measured.
