Home › Authors › Donald Grayston Donald Grayston b. 1939 – d. 2017 · 4 books Biography Donald Grayston retired in 2004 from Simon Fraser University in Vancouver as director of its Institute for the Humanities. He is a former president of the International Thomas Merton Society. Books by Donald Grayston Thomas Merton and the noonday demon 2015 Thomas Merton's rewritings Thomas Merton's rewritings 1989 Thomas Merton, the development of a spiritual theologian 1985 The development of a spiritual The development of a spiritual theologian 1948-1961 1980