John Donne was born in London in 1572 into a Roman Catholic family at a time when such allegiance carried genuine legal and social risk. He was educated at Oxford and Cambridge, read law at Lincoln's Inn, and moved for a season through the worlds of courtly ambition and literary fashion before his eventual ordination as an Anglican priest in 1615. His early life was marked by romantic scandal — he eloped with Ann More in 1601, an act that cost him his position and briefly landed him in prison — and by the long financial uncertainty that followed. He did not arrive at the church as a man insulated from the ordinary difficulties of human existence.

The England Donne inhabited was still working out the spiritual and intellectual consequences of the Reformation. Theological controversy was not merely academic; it shaped careers, loyalties, and lives. Donne himself moved carefully through these tensions, and his writing bears the marks of a mind that took doctrinal questions seriously without reducing faith to polemic. He rose to become Dean of St Paul's Cathedral in 1621, where he preached to large and attentive congregations until shortly before his death in 1631.

His devotional contribution rests on two bodies of work: the Holy Sonnets, poems of fierce self-examination that hold together doubt, desire, and surrender before God, and the Devotions upon Emergent Occasions, a prose work composed during a grave illness in 1623. The Devotions move through sickness toward a meditation on human interdependence and divine mercy, containing the celebrated passage from which the phrases "no man is an island" and "ask not for whom the bell tolls" derive. His sermons, many of which survive, are remarkable for their willingness to look directly at death and to find within that gaze something other than despair.

Donne's legacy endures because he refused easy consolation, insisting that honest faith must pass through, not around, the hardest facts of creaturely life.