But it was when we went to the Lego store at Rockefeller Center that I felt like I got a glimpse into the center of his soul. We saw sets he’d designed, and he told me about fellow designers ...

This past Christmas, I bought a 3,000-piece LEGO ... Rockefeller Center flagship was so big, tourists spotted it from down the street and veered into my path to ask me directions to the store.

“A couple of months ago we landed a spaceship in the center of the store. We have Santa’s chair — made of Lego bricks — with a fireplace. That’s what delights and creates memories for ...