What year was the st. louis arch built or who built it?

It is a memorial for a president right? which one?What year was the st. louis arch built or who built it?
The Arch (Jefferson National Expansion Memorial) was completed in 1965. It was designed by Eero Saarinen. Not sure who the contractors were. You might want to pick up the movie "monument to a dream" available from most local libraries.



It's not so much a memorial for President Jefferson but a memorial to westward expansion. Most of your questions can be answered at the offical website. Below.What year was the st. louis arch built or who built it?
Eero Saarinen...first section 2-12-1963...last 10-28-1965

Not a memorial for a president but for the westward movement..."gateway to the west"