Professor of Structural Engineering, Lehigh University

Civil and Environmental Engineering, Stanford University

Professor of Civil Engineering, Colorado State University

University of California Irvine (1930-2024)

ETH Zurich

Distinguished Professor, School of Civil Engineering, Tongji University, China

UIUC, HKUST (1943-2012)

Technische Universität München (1941-2012)

Professor emeritus, DTU