Antonie Vos, . Studies in the History of Church and Theology, 2. Kampen: Summum, 2018, 243 pp.

“There exists little direct documentation regarding Duns’ life. […] The secret is to combine many new aspects with the significant body of biographical literature hidden in many books and contributions published in many countries in quite different languages over many decades” (p. 53). Few scholars would seem ready to reveal this secret in the sense of a state-of-the-art biography of John Duns Scotus (ca. 1266–1308), one of the foremost thinkers in philosophy and theology during the high or early late Middle Ages. Among those few, Antonie Vos (*1944) appears particularly well-prepared with his research on Duns spanning several decades, including seminal studies such as his 2006 monograph