Wilhelm Marx (vĬl´hĕlm), 1863–1946, German statesman. A Reichstag member, he was a leading figure of the Catholic Center party and was elected its president in 1921. As chancellor (1923–24) he secured the passage of the Dawes Plan. He was succeeded by Hans Luther, whom he followed again as chancellor (1926–28). In the presidential elections of 1925, Marx was the unsuccessful candidate of the Center and the Social Democratic parties against Paul von Hindenburg.