Responsible
The GTH project and this site are developed by Antonio Zirión Quijano at the Instituto de Investigaciones Filosóficas of Universidad Nacional Autónoma de México.
You may send your comments to: azirionq@yahoo.com.mx.
Thanks to Magali Flores, Rogelio González, Alba Ledesma, Mariana Lojo, Guadalupe López, Liliana Martínez, Antonio Torres, and Macario Velázquez.