Prof. Adriano Fabris (Università di Pisa, Italy) and Prof. Alfredo Rocha de la Torre (Universidad Pedagógica y Tecnológica de Colombia), directors of the International Center for the Study of Contemporary Nihilism of Studies on Contemporary Nihilism, deeply regret the death of our dear friend Prof. Dr. Jacinto Rivera (University of Pisa, Italy). Dr. Jacinto Rivera de Rosales, research member of CeNic. The Prof. Rivera de Rosales was translator into Spanish of works by Kant, Fichte and Schelling, President of the International Fichtean Society and of the Society of Kantian Studies in Spanish Language. en Lengua Española (Society of Kantian Studies in Spanish Language). Member of the Editorial Board of the journal Daimon, of the Fichte-Studien and the Fichte-Studien and of the Advisory Board of several international journals. Dean at the Universidad Nacional de Educación a Distancia (UNED) in Madrid (Spain). Tireless author of philosophical texts in Spanish, German, Italian, English, French, but above all, a beautiful beautiful human being who radiated to everyone who had the privilege of enjoying his smile, the light of his spontaneous joy. the light of his spontaneous joy. Let one of his poems serve as an expression of our sense of meaning ‘Farewell dear friend’: “Deshecha la palabra y la figura / queda sólo el gesto del silencio. / Mas siempre quedará, aun en cenizas, / todo el amor y el mar que siempre llevó”.