Nicholas L. Gianopulos, renowned structural engineer and lecturer in Penn’s architecture program, died July 21. He was 93.

Born in Philipsburg, PA, Mr. Gianopulos got his start in engineering early on. Following high school, he took an engineering extension course and worked in military aircraft production. In 1943, he enlisted in the army. He fought in World War II’s Battle of the Bulge and was awarded a Purple Heart.

He went on to earn his engineering degree from Penn State and then moved to Philadelphia and in 1953 helped found Keast & Hood Co., which became a premiere structural engineering firm. He worked closely with Louis I. Kahn and Venturi Scott Brown on several projects. He also collaborated on the design of Wharton’s Vance Hall and one of the wings of the Penn Museum. Mr. Gianopulos was very interested in historic preservation work; his firm oversaw renovations that included Philadelphia’s Academy of Music. Mr. Gianopulos joined the Penn faculty in the department of architecture in 1963. He served as lecturer in architectural engineering and in architecture until 1997.

Mr. Gianopulos is survived by his wife, Antoinette Manos; children, Christiana, Elia and Elizabeth; and two granddaughters.