ailerons in ways that closely matched the patented design of the Wrights. Experts testified on both sides and sometimes contradicted one another on matters of fact. In the end judge John R. Hazel ruled in Feb. 1913 for the Wrights, and on appeal a higher court agreed with this decision in 1914. Later years Zahm became the chief research engineer of Curtiss Aeroplane Company in 1914-1915 and then the director of the U.S. Navy's Aerodynamical Laboratory, 1916-1929. Zahm became the chief of the Aeronautical Division at the Library of Congress from 1929 or 1930 until 1946, and held the Guggenheim Chair of Aeronautics there. Zahm died in 1954, and was buried in the Community Cemetery, Notre Dame, Indiana. Honors Zahm was invited to be a member of the Cosmos Club of Washington, DC, and received his mail there while on the faculty of Catholic University. Recipient of Laetare medal at University of Notre Dame, 1925. Awarded the Mendel Medal at Villanova College in 1930 for his pioneering work in scientific aeronautics. Daniel Guggenheim Chair of Aeronautics in the Library of Congress, 1929-1946. Publications, bibliography and archival information More than 100 of his articles and papers were collected in Aeronautical papers 1885-1945 of Albert F. Zahm, volumes I and II. He wrote the book Aerial Navigation (1911), and a booklet called Early Powerplane Fathers. His papers are kept by the University of Notre Dame. References External links 1954 deaths Cornell University College of Engineering alumni Catholic University of America faculty Johns Hopkins University faculty University of Notre Dame faculty University of Notre Dame alumni Gliding in the United States Aerodynamicists Wright brothers Aviation pioneers Aviation inventors 1862 births Laetare Medal recipients