The Kingdome, John (“Jack”) Christiansen’s best-known work, was the largest freestanding concrete dome in the world. Built amid public controversy, the multipurpose arena was designed to stand for a thousand years but was demolished in a great cloud of dust after less than a quarter century.Many know the fate of Seattle’s iconic dome, but fewer are familiar with its innovative structural engineer, Jack Christensen (1927–2017), and his significant contribution to Pacific Northwest and modernist...