They may be coated in layers of myth and pious anecdote but dig deep enough and the pioneering leaders of Celtic Christianity are revealed as reassuringly human individuals, responding to their faith by deliberately living on the edges of society.
From the goddess-nun Brigid and absent-minded Cainnech to severe ascetics such as Columbanus and Baldred, together they demonstrate a close connection with the natural world, an astonishing self-discipline and, above all, a rigorous commitm.