A [*] Universal History of Infamy.
In one work by this man, he encounters his younger self on a park bench in Cambridge; that work, "The Other," is found in this author's The Book of Sand. He described men like Tom Castro and Hakim in his collection A [*] Universal History of Infamy. In his most famous collection, Erik Lönnrot follows a Kabbalah-using murderer in "Death and the Compass", and Captain Richard Madden attempts to capture Yu Tsun, a German spy, in "The Garden of Forking Paths".  For 10 points, name this blind Argentine author of "The Library of Babel," a short story found in his Ficciones.
In one work by this man, he encounters his younger self on a park bench in Cambridge; that work, "The Other," is found in this author's The Book of Sand.
Jorge [Francisco Isidoro] Luis {Borges} [Acevedo]