Jean-Toussaint Desanti

Jean-Toussaint Desanti (; 8 October 1914 – 20 January 2002) was a French educator and philosopher known for his work on both the philosophy of mathematics and phenomenology.

Biography The son of Jean-François Desanti and Marie-Paule Colonna,

In 1956, he published Introduction à l'histoire de la philosophie (Introduction à l'histoire de la philosophie (Introduction to the History of Philosophy).

Desanti taught philosophy at the École Normale Supérieure, at the Lycée Lakanal, at the École normale supérieure de Saint-Cloud and at the University of Paris I. He was also the doctoral advisor of Jacques Derrida.

In 1968, Desanti published Les Idéalités mathématiques, recherches épistémologiques sur le développement de la théorie des fonctions de variables réelles (Mathematical Idealities: Epistemological Studies on the Development of the Theory of Functions of Real Variables).

Desanti died less than three weeks after undergoing coronary artery bypass surgery in early 2002 in Paris.