Giles of Lessines

Giles of Lessines OP (c. 1230 – c. 1304)^[1] was a thirteenth-century Dominican scholastic philosopher, a pupil of Thomas Aquinas.^[2] He was also strongly influenced by Albertus Magnus.^[3] He was an early defender of Thomism.^[4]

He is also known as an early scientist, and for economic theory, writing on usury^[5] and market prices.^[6]

Works

Among the works authored by Giles are:

• Commentarium in libros I et II Sententiarum
• De concordia temporum
• De essentia, motu et significatione cometarum
• De geometria
• Epistula Alberto Magno missa
• Summa de temporibus
• De unitate formae
• De usuris
• Quaestiones theologicae