Staff profile

• St. Bonaventure
• Alexander of Hales
• Bl. John Duns Scotus
• Robert Grosseteste
• Richard Rufus of Cornwall
• St. Albert the Great
• St. Thomas Aquinas
• Twentieth Century Catholic Theology

Book review

• Crozier, W. (online). Book Review: Thomas Williams, John Duns Scotus: Selected Writings on Ethics (Oxford: OUP, 2017). Franciscan Studies,
• Crozier, W., & Van Nieuwenhove, R. (online). Book Review: Shawn M. Colberg, The Wayfarers End: Bonaventure and Aquinas on Divine and Rewards in Scripture and Sacred Doctrine (Washington D.C.: The Catholic University of America Press, 2020) in The Thomist 85.3 (2021), pp. 489-493. The Thomist,
• Crozier, W. (2024). Aristotle and the Ontology of St. Bonaventure. The Journal of Religion, 104(3), 413-415. https://doi.org/10.1086/730361
• Crozier, W. (2019). Book Review: The Theology of John Duns Scotus, Studies in Reformed Theology Series by Antonie Vos. Franciscan Studies, 77, 281-283. https://doi.org/10.1353/frc.2019.0010
• Crozier, W. (2018). Book Review: Giorgio Pini, Notabilia Super Metaphysicam, Corpus Christianorum Continuatio Mediaevalis 287 (Turhout: Brepols, 2017). Franciscan Studies, 76, 373-378
• Crozier, W. (2018). Book Review: ON BEING AND COGNITION: ORDINATIO 1.3, JOHN DUNS SCOTUS translated by John van den Bercken, Fordham University Press, New York, 2016. New Blackfriars, 99(1079), 112-114. https://doi.org/10.1111/nbfr.12333
• Crozier, W. (2016). Book Review: Mikolaj Olzewski, Quaestiones Disputatae “De productione rerum" “De imagine” et “De anima” e schola bonaventuriana (codex Conv. Soppr. D.4.27 Bibliothecae Nationalis Centralis Florentinae) (Rome: Instituto Storico Dei Cappuccini, 2014). Franciscan Studies, 74, 389-391. https://doi.org/10.1353/frc.2016.0020

Chapter in book

• Crozier, W. Franciscan Physics: John Duns Scotus on Light - With a Translation of Lectura II dist. 13. In Celebrating 800 Years of Franciscans in the British Isles: A Gedenkschrift in Honour of Eric Doyle OFM. The Franciscan Publication Company Ltd
• Crozier, W. The Splendor of Light: Richard Rufus of Cornwall on the Physics of Light and Colour. In V. Henkelmann, & M. Breitenstein (Eds.), Medieval Light Studies: The Presence, Use, and Symbolism of Light in the Middle Ages. Manuscript submitted for publication
• Crozier, W. John Duns Scotus: Early Franciscan Political and Economic Thought. In R. F. van Brederode (Ed.), Christian Perspectives on the Role of the State, Justice and Taxation. Springer
• Crozier, W. 'The Father of Lights': St. Bonaventure of Bagnoregio on Light. In V. Henkelmann, & M. Brietenstien (Eds.), Medieval Light Studies: The Presence, Use, and Symbolism of Light in the Middle Ages. Manuscript submitted for publication
• Crozier, W. (2022). Early Franciscan Theology: Robert Grosseteste, Roger Bacon and the Summa Halensis. In R. Van Nieuwenhove (Ed.), Introduction to Medieval Theology (199-231). (2nd edition). Cambridge University Press 2022. https://doi.org/10.1017/9781108884426.016
• Crozier, W., & Van Nieuwenhove, R. (2020). The Trinity. In The Oxford Handbook of Mystical Theology (465-485). Oxford University Press

Journal Article

• Crozier, W. (2024). “Pulchra ut Luna” St. Bonaventure, Richard Fishacre, and the De generatione stellarum on the Lunar Substance. Vivarium: A Journal for Medieval and Early-Modern Philosophy and Intellectual Life, 62(2), 120-146. https://doi.org/10.1163/15685349-06202002
• Crozier, W. (2024). Philosophy’s Resurrection: Richard Fishacre on Theology, Light, and the Stars. New Blackfriars, 1-17. https://doi.org/10.1017/nbf.2024.7
• Crozier, W. (2023). A medieval "abbreviatio": John Peckham's "Questio de existentia dei": Introduction and edition. Recherches de théologie et de philosophie médiévales, 90(1), 49-73. https://doi.org/10.2143/RTPM.90.1.3291866
• Crozier, W. (2023). St. Albert the Great and Robert Grosseteste on the nature and causes of comets. Journal for the History of Astronomy, 54(2), https://doi.org/10.1177/00218286231170596
• Crozier, W. (2022). The Anatomy of Salvation: Robert Grosseteste on Christ’s Death, Passion, and Satisfaction. Irish Theological Quarterly, 87(4), 259-378. https://doi.org/10.1177/00211400221127119

Newspaper/Magazine Article

• Crozier, W. (in press). Robert Grosseteste: Scientist, Theologian, and Bishop (Part 1)
• Crozier, W. Robert Grosseteste: Scientist, Theologian, and Bishop (Part 2). Franciscan Magazine