Who Wrote Amazing Grace? The Slave-Ship Captain Behind the Hymn

Amazing Grace is one of the most sung hymns in the English language — reached for at funerals and gatherings by plenty of people who would never call themselves religious. Its words were written by John Newton, an English clergyman, in the early 1770s. The line most people remember, "saved a wretch like me," was not a turn of phrase. Newton had spent years as the captain of a slave ship, and he meant "wretch" as a plain description of the man he had been.

The story behind the hymn is worth knowing. It changes what the song is about.

From pressed sailor to slave trader

Newton was born in London in 1725. His mother, a devout woman, died a few weeks before his seventh birthday, and whatever faith she had hoped to pass on seemed to fall away as he grew. As a young man he was pressed into the Royal Navy. He tried to desert, was caught, and was flogged. Eventually he talked his way onto a ship bound for the West African coast and the slave trade.

What came next has a grim irony to it. In West Africa, Newton fell into the service of a slave trader and, by his own account, was reduced to something close to enslavement himself — sick, half-starved, dependent on the very system he had come to profit from. A passing ship, sent by his father to look for him, carried him home.

By his twenties he was working his way up in the trade, and he eventually captained slave ships of his own — voyages that carried human beings across the Atlantic in conditions he would later describe in unsparing detail.

The storm

The turning point is usually dated to a single night. In March 1748, Newton's ship was caught in a violent Atlantic storm and began to founder. Sure he was about to drown, he called out for God's mercy — the first real prayer, he later said, that he had made in years.

It would make a tidier story if his life changed overnight. It didn't, and Newton was honest about that. He kept working in the slave trade for several more years after the storm, captaining further voyages until a stroke, not his conscience, finally forced him off the sea around 1754. His conscience took longer to arrive. That was part of what struck him about his own life: grace had reached him long before he understood what it would ask of him.

From the deck to the pulpit

Off the sea for good, Newton took a post as a customs officer in Liverpool, taught himself Greek and Hebrew, and after years of study was ordained in the Church of England in 1764. He became the curate of the small market town of Olney, where he preached, wrote letters that were passed around and widely read, and — with the poet William Cowper — wrote hymns for his congregation.

Amazing Grace was one of them. Newton composed it in late 1772, and it was probably first sung at a prayer meeting on New Year's Day, 1 January 1773; it grew out of a passage in which King David marvels that God would notice someone like him (1 Chronicles 17:16–17). It appeared a few years later in a collection called the Olney Hymns (1779).

One detail tends to surprise people: the soaring tune almost everyone now sings — usually called "New Britain" — was set to Newton's words much later, in nineteenth-century America. The words and the melody we treat as inseparable came from different centuries and different continents.

The confession the hymn carries

Read against Newton's life, the opening verse stops being general and turns specific:

Amazing grace! how sweet the sound, That saved a wretch like me! I once was lost, but now am found, Was blind, but now I see.

The "wretch" is a slave-ship captain. The "blindness" is the years he spent trafficking human beings without seeing it. That is why the hymn carries the weight it does: it is a confession set to music, written by a man who had done real harm and believed he had been forgiven anyway.

Newton never let himself forget it. Late in life he wrote a pamphlet, Thoughts Upon the African Slave Trade (1788), setting out the cruelty of the trade in detail and repenting, in public, of his part in it. He lent his testimony to a young member of Parliament who was weighing whether to give his career to abolition, and urged him to stay in it. That member of Parliament was William Wilberforce.

Newton lived to see the first victory. Britain passed the act abolishing the slave trade in March 1807, and Newton died that December. The epitaph he wrote for himself reads:

"John Newton, Clerk, once an infidel and libertine, a servant of slaves in Africa, was by the rich mercy of our Lord and Saviour Jesus Christ, preserved, restored, pardoned, and appointed to preach the faith he had long laboured to destroy."

Why the story matters

It would be easy to sand the harder edges off Newton — to skip the years he kept sailing after the storm, or the harm he did before it. He refused to let anyone do that, himself included, and the hymn is better for it. Amazing Grace has lasted partly because it makes no claim that its author was a decent man who improved a little. It says something harder: that grace can reach a person at their worst and, over a lifetime, turn them into someone who spends their last years trying to undo the evil they once served.

Whatever you make of the theology, that is what sits underneath the four lines everyone knows — and it is why they land the way they do, even on people who have never set foot in a church.

Newton’s turnaround is one thread in a bigger story: what the Bible actually says about slavery, and how Christians came to end it.

The passage Newton was preaching on when he wrote the hymn is 1 Chronicles 17. You can read it, and follow the language of grace through the rest of Scripture, in TheoGPT — a companion for reading closely, not a replacement for doing the reading yourself.

Sources and further reading

• The Creation of "Amazing Grace" — Library of Congress
• John Newton (1725–1807) — Cowper & Newton Museum
• John Newton, Thoughts Upon the African Slave Trade (1788) — full text at Project Gutenberg
• Scripture quotations are from the English Standard Version (ESV), via Bible Gateway