Introduction: complexity and collaboration -- Collaborations in practice -- 41 Cooper Square -- Berlin Hauptbahnhof -- B2 BKLYN -- Toledo Museum of Art glass pavilion -- Queen Alia International Airport -- Simmons Hall At MIT -- The Anaheim Regional Transportation Intermodal Center (ARTIC) -- SPG Shanghai -- Keelung Harbor project -- Port House -- New tools for collaboration -- Delivery methods facilitating collaboration -- Architecture and engineering pedagogy -- Appendix : Guidelines for developing interdisciplinary courses.