Definitions:

1. Franch architect known fro his pioneering use of iron and glass in public buildings. NOUN
   • Labrouste's architectural innovations influenced modernists by demonstrating the potential of metal in public buildings.
2. Refers to Henri Labrouste, regarded as a key figure in 19th-century architecture, particularly in the transition from classical to modern construction techniques. NOUN
   • The open and airy reading halls of Labrouse's libraries contrast with the heavy stone structures of ealier designs.