Friedrich Dorguth (1776-1854) is the first follower whom Schopenhauer recognized as such, hence calling him his ‘protoevangelist’. In the pamphlets that earned him this epithet, and which are presented here in Spanish translation for the first time, we can witness the moment considered by Schopenhauer as foundational to his School, a School whose influence on the development of Western thought endures even in our century.