Original sentence: Dorothy Leigh Sayers (Oxford, 1893 - Witham, 1957), British author, translator, student of  classical and modern languages, and Christian humanist.She gave birth to a child in 1924 whilst unmarried.She worked as a teacher and later as a copywriter in an advertising agency, Benson's, in London
Edited sentence: Dorothy Leigh Sayers (Oxford, 1893 - Witham, 1957), British author, translator, student of  classical and modern languages, and Christian apologist.She worked as a teacher and in an advertising agency, before giving birth to an illegitimate child in 1924