"Vivo de Zamenhof" by Edmond Privat is a biography written in Esperanto, first published in 1920. This intimate portrait chronicles the life of L. L. Zamenhof, creator of the international language Esperanto. Through twelve chapters, Privat traces Zamenhof's journey from childhood in Lithuania through his student years, the birth of Esperanto, and his evolution as a linguistic innovator and ethical thinker. Written by a faithful disciple, the work captures what contemporaries called "the most humane spirit" of the era.