Fritz Leonhardt, German engineer, co-designed the Cologne Rodenkirchen Bridge and Fernsehturm Stuttgart (b. 1909)

Fritz Leonhardt (12 July 1909 – 30 December 1999) was a German structural engineer who made major contributions to 20th-century bridge engineering, especially in the development of cable-stayed bridges. His book Bridges: Aesthetics and Design is well known throughout the bridge engineering community.