Architect and historian of medieval building, noted for his assertion that Gothic architecture's system of ribbed vaulting was unnecessary for structural reasons. Abraham served as a soldier in World War I. After the war, he worked on the reconstruction of monument destroyed by the war in the north of France. He trained in the architectural studio of Pascal et Recoura at the Ecole des beaux-arts in Paris, graduating in 1920. He further studied at the l'Ecole du Louvre between 1921 and 1924.