Ferdinand Blumentritt
Ferdinand Johann Franz Blumentritt (10 September 1853, Prague – 20 September 1913, Litoměřice) was an Austrian teacher, secondary school principal in Leitmeritz, lecturer, and author of articles and books about the Philippines and its ethnography. He is well known in the Philippines for his close friendship with the writer and Propagandist José Rizal, and the numerous correspondence between the two provide a vital reference for historians and scholars studying Rizal, including his last letter from prison before the execution.