Peter Abelard (1079-1142) a medieval French scholastic philosopher

Pierre Abelard, born Pierre ie Pellet, was a French scholastic, philosopher, leading logician, poet, composer and musician of the 12th century.

He is considered a forerunner of Rousseau, Kent and Spinoza. He is sometimes credited as a chief forerunner of modern empiricism.

He is considered to be the most significant forerunner also of the modern self-reflective autobiography - The History of my Calamities -his publicly distributed letter.

In history and popular culture he is best known for his passionate and tragic love affair with his brilliant student and eventual wife, Heloise d’Argenteuil. They had a son, Astrolabe, before he was castrated by her uncle Fulbert’s men. In shame he embraced the monastic life. Afterwards both went into monasteries.

In Catholic theology he is best known for his development of the concept of limbo, and his introduction of the moral influence theory on Atonement.

He wrote a number of books and modern editions and translations of his work are available. (See List)

Pierre is considered one of the founders of the secular university and pre-Renaissance secular philosophical thought.

Sources
Wikipedia
Britannica