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]