John Stuart Mill and Harriet Taylor: Their Correspondence and Subsequent Marriage is a book written by Friedrich A. Hayek and published in 1951. The book is a collection of letters exchanged between the famous philosopher John Stuart Mill and his close friend and later wife, Harriet Taylor. The letters cover a period of over twenty years, from their first meeting in the 1830s to Taylor's death in 1858.The book provides a unique insight into the intellectual...