Summary. Life of Alfred Rosenblatt (1880-1947) is precisely discribed. We tried to bring the Polish reader forgotten figure of the Krakow mathematics. We have gathered all the information related to his life, his work and achievements in mathematics and in applications of mathematics. We greached also written information about it in Spanish. Rosenblatt has published almostthree hundred scientific papers in many areas of mathematics and its applications. In addition, he participated in four International Congresses of Mathematicians in Cambridge (1912), Strasbourg (1920), Bologna (1928) and Zurich (1932). Streszczenie. Zycie Alfreda Rosenblatta (1880-1947) zostało dokładnie opisane. Staralismy sie przyblizyc polskiemu czytelnikowi sylwetke t...