It's a Cherner chair, designed by Norman Cherner in 1958, and still made to original specs by the Cherner co. The armchair, as pictured is about $1029 retail. No arms, about $730. They are complicated in design with more layers of plywood at the bend, tapering to less layers toward the edges.

I love these sconce, but can’t find them anywhere. Any idea who makes them?

It's an iconic chair, the Clam Chair by Philip Arctander. The story behind Philip arctander's clam chair. If you want an original, get out your check book https://www.1stdibs.com/furniture/seating/chairs/phillip-arctander-clam-chair-denmark-1940s/id-f_18954302/ but looks like you can buy a new one in the UK for around 2K GBP but not sure where you can get a new one if you are in the US. https://www.skandium.com/products/arctander-chair. The picture might be a knockoff which would of course make it less expensive.

I don't know, but they are probably Blum because of the orange. They look like potentially a related version to "Blum's TANDEM plus BLUMOTION" with the colours reversed and the cover removed: