Algis Budrys (1931-2008) was a Lithuanian-American science fiction writer, editor, critic, and reviewer whose work helped shape the intellectual and psychological side of mid-twentieth-century speculative fiction. Born in Königsberg, East Prussia, to a Lithuanian diplomatic family, Budrys came to the United States as a child and grew up in a household marked by exile, politics, and the pressures of the twentieth century. Those experiences helped give his fiction its recurring interest in identity, loyalty, displacement, authority, and the individual caught inside large historical forces.Budrys began publishing science fiction in the 1950s and quickly became known for stories and novels that combined genre ideas with psychological intensity. His best-known works include Who?, Rogue Moon, The Falling Torch, Michaelmas, and many short stories. He was especially interested in the strain placed on human beings by technology, war, political systems, and impossible tests of courage or self-knowledge. His fiction often moves beyond simple adventure into questions of memory, personality, sacrifice, and the cost of survival.In addition to his fiction, Budrys was an influential critic, editor, teacher, and mentor in the science fiction field. His reviews and essays were respected for their seriousness, clarity, and concern with craft, and he helped many writers think more sharply about story structure, character, and the demands of speculative fiction. Today Budrys remains an important figure for readers interested in classic science fiction, Cold War SF, psychological speculation, and the development of modern genre writing.