Jack Christiansen of Bainbridge Island, structural engineer of the Kingdome and a pioneer of thin-shell concrete roofs, died in mid-August at the age of 89. He also worked on the Pacific Science ...

Structural engineer John V. “Jack” Christiansen, a leader in the design of thin-shell concrete structures, died on Aug. 16 on Bainbridge Island, Wash. He would have turned 90 on Sept. 28.

Christiansen took command of the club in Week 4 of the 1963 season after serving as an assistant coach to Hickey. His best season as head coach came in 1965 when the 49ers finished 7-6-1.

Jack Christiansen, director of the Petroleum Technology Initiative in the University of Houston's College of Technology, has been named winner of the Ross Kastor Educators Award from the American ...