Ari Ben-Menahem (Schlanger) has been professor of mathematics and geophysics at the Weizmann Institute of Science since 1964 and visiting professor at MIT. He is a seismologist, author, polymath, and historian of science. He coauthored with Sarvajit Singh, "Seismic Waves and Sources: the mathematical theory of seismology", a pioneering treatise since the nascent of this discipline at the turn of the 20th century.