John Tracy Kidder is an American writer of nonfiction books. He received the Pulitzer Prize for his The Soul of a New Machine (1981), about the creation of a new computer at Data General Corporation. He has received praise and awards for other works, including his biography of Paul Farmer, a physician and anthropologist, titled Mountains Beyond Mountains (2003).

The Soul of a New Machine is a non-fiction book written by Tracy Kidder and published in 1981. It chronicles the experiences of a computer engineering team racing to design a next-generation computer at a blistering pace under tremendous pressure. The machine was launched in 1980 as the Data General Eclipse MV/8000.