Early Church (3rd century)
Feast: September 26
One half of the twin doctors who healed without charging a cent — and were killed for refusing to charge God for their loyalty.
Cosmas and his twin brother Damian practiced medicine in the Roman province of Syria, probably near what is now southern Turkey. They were known as the Anargyroi — the 'silverless ones' — because they refused payment. The sick came, the twins treated them, and the bill was always the same: nothing. Their reasoning was not complicated. God gave them the skill; charging for it seemed like skimming off the top. When the Diocletian persecution hit in 303, both brothers were arrested. The accounts of their martyrdom grew colorful over time — drowning, burning, stoning, crucifixion, all of which they reportedly survived before finally being beheaded. The core fact is simpler: they were doctors who would not deny Christ, and they died together. Emperor Justinian later rebuilt a church in their honor in Constantinople after crediting them with curing his illness. In the Middle Ages, a legend arose that they performed the first organ transplant — grafting a dead man's leg onto a living patient. It is almost certainly fiction, but it tells you what people thought of them: healers so skilled that even their miracles involved surgery.