Skip to main content

Research Repository

Advanced Search

All Outputs (65)

Professor Sir Richard W. Southern (1912-2001) (2022)
Book Chapter
Gasper, G. E. (2022). Professor Sir Richard W. Southern (1912-2001). In S. Niskanen, & J. Willoughby (Eds.), Routledge Medieval Encyclopedia Online. Routledge

Sir Richard Southern is famous for his biographies of St Anselm of Canterbury and Robert Grosseteste, for his long meditation on medieval universities, humanism, and scholasticism, his early and still influential The Making of the Middle Ages, a surv... Read More about Professor Sir Richard W. Southern (1912-2001).

Damascien (Johannes Damascenus). (2022)
Book Chapter
Gasper, G. E. (2023). Damascien (Johannes Damascenus). In R. Newhauser, V. Gillespie, J. Rosenfeld, & K. Walter (Eds.), The Chaucer Encyclopedia. Wiley

A Marvellous Sign and A Fiery Globe: A Medieval English Report of Ball Lightning (2022)
Journal Article
Gasper, G. E., & Tanner, B. K. (2022). A Marvellous Sign and A Fiery Globe: A Medieval English Report of Ball Lightning. Weather, 77(7), 232-234. https://doi.org/10.1002/wea.4144

We describe an entry in a twelfth century monastic chronicle, compiled and composed by Gervase of Canterbury (c. 1145–c. 1210), which gives a credible description of ball lightning. It predates the earliest known report of the phenomenon from England... Read More about A Marvellous Sign and A Fiery Globe: A Medieval English Report of Ball Lightning.

Introduction (2021)
Book Chapter
Healy-Varley, M., Gasper, G. E., & Younge, G. (2021). Introduction. In M. Healy-Varley, G. E. Gasper, & G. Younge (Eds.), Anselm of Canterbury: Communities, Contemporaries and Criticism (1-9). https://doi.org/10.1163/9789004468238_002

Magnifying Grains of Sand, Seeds, and Blades of Grass: Optical Effects in Robert Grosseteste’s De iride (On the Rainbow) (circa 1228–1230) (2021)
Journal Article
White, R. C., Gasper, G. E., McLeish, T. C., Tanner, B. K., Harvey, J. S., Sønnesyn, S. O., Young, L. K., & Smithson, H. E. (2021). Magnifying Grains of Sand, Seeds, and Blades of Grass: Optical Effects in Robert Grosseteste’s De iride (On the Rainbow) (circa 1228–1230). Isis: A Journal of the History of Science Society, 112(1), 93-107. https://doi.org/10.1086/713724

In his treatise On the Rainbow (De iride), composed nearly four hundred years before the first known telescope, the English polymath Robert Grosseteste identified three striking optical effects: distant objects can be rendered close by; close-by larg... Read More about Magnifying Grains of Sand, Seeds, and Blades of Grass: Optical Effects in Robert Grosseteste’s De iride (On the Rainbow) (circa 1228–1230).

‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation (2020)
Journal Article
Gasper, G. E., & Tanner, B. K. (2020). ‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation. Endeavour, 44(4), Article 100750. https://doi.org/10.1016/j.endeavour.2021.100750

Despite some scepticism, the suggestion by Hartung in 1976 that the report in the chronicle of Gervase of Canterbury corresponded to a meteorite impact with the moon in 1178, creating the Giordano Bruno crater, retains considerable support, particula... Read More about ‘The Moon Quivered Like a Snake’: A Medieval Chronicler, Lunar Explosions, and a Puzzle for Modern Interpretation.

Bernard of Clairvaux, Material and Spiritual Order, and the Economy of Salvation (2019)
Journal Article
Gasper, G. E. (2019). Bernard of Clairvaux, Material and Spiritual Order, and the Economy of Salvation. Journal of Medieval History, 45(5), 580-596. https://doi.org/10.1080/03044181.2019.1658617

This article explores themes connected to the spiritual and the material, especially in connection with order and economy, in the thought of the Cistercian abbot Bernard of Clairvaux (1090/1–1153). It argues that these themes are particularly useful... Read More about Bernard of Clairvaux, Material and Spiritual Order, and the Economy of Salvation.

Anselm of Canterbury: Theology of Salvation (2017)
Book Chapter
Gasper, G. E. (2017). Anselm of Canterbury: Theology of Salvation. In J. S. Holcomb (Ed.), Christian Theologies of Salvation: A Comparative Introduction (124-142). New York University Press