Who was the author Bergotte mentioned by Proust?

Marcel Proust in his novel "In Search of Lost Time" mentions various fictional and real-life authors. One of the authors he mentions is Bergotte, who is considered a literary genius within the fictional universe of the novel. However, Bergotte is a fictional character and not a real author. Proust created Bergotte as an embodiment of artistic excellence, literary mastery, and the pursuit of aesthetic beauty.