For 10 points, name this Finnish-American architect who designed Dulles International Airport and the Gateway Arch in St. Louis.
This architect's last building is a church shaped as a hexagon, which is topped by a spire rising above an oculus that lets light fall onto the altar. Dan Kiley designed the landscape surrounding the house this man built for architecture patron J. Irwin Miller in Columbus, Ohio. The "Jetsons Lounge" appears in a curved dorm he designed for Vassar called the Noyes House, and he completed the design of the General Motors Technical Center, taking over from his (*) father. This architect designed a concert hall whose roof is shaped as one-eighth of a sphere using his characteristic thin-shell concrete structure. This architect designed the Kresge Auditorium at MIT and the TWA Terminal, but his best-known work is a flattened catenary curve. For 10 points, name this Finnish-American architect who designed Dulles International Airport and the Gateway Arch in St. Louis. 
This architect's last building is a church shaped as a hexagon, which is topped by a spire rising above an oculus that lets light fall onto the altar.
Eero Saarinen