Paul Karl Feyerabend (January 13, 1924 – February 11, 1994) was an Austrian-born philosopher of science best known for his work as a professor of philosophy at the University of California, Berkeley, where he worked for three decades (1958–1989). He lived a peripatetic life, living at various times in England, the United States, New Zealand, Italy, Germany, and finally Switzerland. His major works include Against Method (published in 1975), Science in a Free Society (published in 1978) and Farewell to Reason (a collection of papers published in 1987). Feyerabend became famous for his purportedly anarchistic view of science and his rejection of the existence of universal methodological rules. He is an influential figure in the philosophy of science, and also in the sociology of scientific knowledge.
Paul Feyerabend was born in 1924 in Vienna, where he attended primary school and high school. In this period he got into the habit of frequent reading, developed an interest in theatre, and started singing lessons. When he graduated from high school in April 1942, he was drafted into the German Arbeitsdienst. After basic training in Pirmasens, Germany, he was assigned to a unit in Quelern en Bas, near Brest (France). Feyerabend described the work he did during that period as monotonous: "we moved around in the countryside, dug ditches, and filled them up again." After a short leave, he joined the army and volunteered for officer school. In his autobiography, he wrote that he hoped the war would be over by the time he had finished his education as an officer. This turned out not to be the case. From December 1943 on, he served as an officer on the northern part of the Eastern Front, was decorated with an Iron cross, and attained the rank of lieutenant. After the German army started its retreat from the advancing Red army, Feyerabend was hit by three bullets while directing traffic. It turned out that one of the bullets had hit him in the spine. As a consequence of this, he needed to walk with a stick for the rest of his life and frequently experienced severe pains. He spent the rest of the war recovering from his wounds.