John Bunyan (1628–1688) was an English Christian writer, preacher, and pastor whose life and writings have become among the most beloved expressions of Protestant devotion. Born into a humble family in Bedfordshire, Bunyan was converted through a profound struggle of conscience and a deep encounter with the grace of Christ, later becoming a preacher among the Nonconformists after the Restoration of the monarchy. Because he refused to cease preaching without a licence from the established Church, he was imprisoned for many years, during which he composed his most famous work, The Pilgrim’s Progress (1678), an allegorical journey of a Christian pilgrim from the City of Destruction to the Celestial City. Through this and other writings, including Grace Abounding to the Chief of Sinners and The Holy War, Bunyan explored the realities of sin, temptation, faith, perseverance, and the saving mercy of God with remarkable clarity and spiritual insight. Though lacking formal theological training, his gift for vivid storytelling and his profound knowledge of Scripture earned him a lasting place among the great writers of Christian literature. His legacy endures as a testimony to steadfast faith under suffering and to the power of simple, faithful proclamation of the Gospel.