 He subsequently returned to Trinity Hall, Cambridge, as Dean in 1986, and later as the President of Queens' College, Cambridge.The first part of the book goes through the familiar territory of the scientist's 'Standard Model' of the universe from the Big Bang to the development of human life on Earth.Whilst discussing these the book gives an overview of quantum theory and indeterminism, which Polkinghorn believes represent a challenge to metaphysical naturalism.