Giles of

Lessines Lessines (; ; ; ) is a city and Municipalities of Belgium, municipality of Wallonia located in the Hainaut Province, province of Hainaut, Belgium. As of the 2014 census, The municipality's total population was 18,637. The total area is which gi ...

OP ( – ) was a thirteenth-century Dominican

scholastic philosopher Scholasticism was a medieval European philosophical movement or methodology that was the predominant education in Europe from about 1100 to 1700. It is known for employing logically precise analyses and reconciling classical philosophy and C ...

, a pupil of

Thomas Aquinas Thomas Aquinas ( ; ; – 7 March 1274) was an Italian Dominican Order, Dominican friar and Catholic priest, priest, the foremost Scholasticism, Scholastic thinker, as well as one of the most influential philosophers and theologians in the W ...

. He was also strongly influenced by

Albertus Magnus Albertus Magnus ( 1200 – 15 November 1280), also known as Saint Albert the Great, Albert of Swabia, Albert von Bollstadt, or Albert of Cologne, was a German Dominican friar, philosopher, scientist, and bishop, considered one of the great ...

. He was an early defender of

Thomism Thomism is the philosophical and theological school which arose as a legacy of the work and thought of Thomas Aquinas (1225–1274), the Dominican philosopher, theologian, and Doctor of the Church. In philosophy, Thomas's disputed ques ...

. He is also known as an early scientist, and for economic theory, writing on

usury Usury () is the practice of making loans that are seen as unfairly enriching the lender. The term may be used in a moral sense—condemning taking advantage of others' misfortunes—or in a legal sense, where an interest rate is charged in e ...

and market prices.Islam And The Medieval Progenitors Of Austrian Economics
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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''

Notes

1300s deaths Year of birth unknown Year of death uncertain Scholastic philosophers Thomists Members of the Dominican Order People from the County of Hainaut 13th-century Roman Catholic priests 14th-century Roman Catholic priests 13th-century Roman Catholic theologians 13th-century philosophers {{scholastic-philosopher-stub