Nicolas of Autrecourt, also called Nicolaus de Ultracuria, was a leading anti-Aristotelian philosopher of the fourteenth century. The condemnation of extreme Aristotelianism at Paris in 1277 was probably responsible for the critical tendencies in many fourteenth-century philosophers and theologians. An extreme form of this critical tendency is to be found in the writings and lectures of Nicolas of Autrecourt. He was at the Sorbonne as early as 1328, lectured on the Sentences at Paris, and in 1340 was summoned by the Roman Curia to answer charges of heresy and error. His trial was interrupted when Pope Benedict XII died, and was resumed under Pope Clement VI by Cardinal Curty. In 1346 the trial was concluded, Nicolas was forced to recant many of his published statements, his works were publicly burned, and he was declared unworthy of advancement and unworthy to continue teaching...