Engineering & architecture. Derek Walter, Ted Happold; Jack Zunz. The great engineers exhibition. Sir Joseph Paxton's Crystal Palace

Discolouration. English A thematic issue of Architectural Design devoted to the relationship between engineering and architecture. Contributions examine the creative role of structural engineers and the collaboration between engineers and architects, with attention to figures and practices including Ted Happold, Jack Zunz and Frei Otto. Historical engineering is represented by Sir Joseph Paxton's Crystal Palace, while contemporary projects illustrate developments in structural design, lightweight construction and the architectural expression of engineering. The issue also relates to the Great Engineers Exhibition of 1987.