Dorothy Leigh Sayers was born at Oxford on 13th June 1893, the only child of the Rev. Henry Sayers, of Anglo-Irish descent. Her father was at the time headmaster of Christ Church Cathedral School, and she was born in the headmaster's house. She was brought up at Bluntisham Rectory, Cambridgeshire, and went to the Godolphin School, Salisbury, where she won a scholarship to Somerville College, Oxford. In 1915 she graduated with first class honours in modern languages. Disliking the routine and seclusion of academic life she joined Blackwell's, the Oxford publishers, worked with her Oxford friend Eric Whelpton at L'École des Roches in Normandy, and from 1922 until 1931 served as copywriter at the London advertising firm of Bensons.
More can be found at the home pages of the Dorothy L Sayers Society.
Here is a well known excerpt from her essay The Dogma is the Drama.
Let us, in heaven's name, drag out the divine drama from under the dreadful accumulation of slipshod thinking and trashy sentiment heaped upon it, and set it on an open stage to startle the world into some sort of vigorous reaction. If the pious are the first to be shocked, so much the worse for the pious—others will pass into the kingdom of heaven before them. If all men are offended because of Christ, let them be offended; but where is the sense of their being offended at something that is not Christ and is nothing like him? We do him singularly little honor by watering down his personality till it could not offend a fly. Surely it is not the business of the Church to adapt Christ to men, but to adapt men to Christ.
The dogma is the drama—not beautiful phrases, nor comforting sentiments, nor vague aspirations to loving kindness and uplift, nor the promise of something nice after death — but the terrifying assertion that the same God who made the world lived in the world and passed through the grave and gate of death. Show that to a heathen, and they may not believe it; but at least they may realize that here is something that a man might be glad to believe. (Letters to a Diminished Church, 20-1)