On Oct. 5, Professor Franz-Josef Ulm delivered the Maurice A. Biot Lecture hosted by the Department of Civil Engineering and Engineering Mechanics at Columbia University. Ulm dedicated his lecture,” Poromechanics: From Atoms to Concrete Structure,” to Olivier Coussy, who died earlier this year. The Biot Lecture honors the late Professor Maurice Anthony Biot, who was a professor of mechanics at Columbia University.