Professor Jan Jesenský is considered the founder of Czech modern stomatology. His daughter Milena, a journalist, known in the literary world as a friend and addressee of the published collection of Franz Kafka’s letters presented in her essay a testimony of his personal courage. She gives an account of an actual event when her father during shooting of the Austrian police demonstrants bravely provided medical aid to a casualty.

        Key words: history of medicine – stomatology