While reading, I came to a funny discovery -- I think Le Guin, well, primed me for Kevin, is perhaps the best way of putting it. I read TD long before I met Kevin, when I was in high school, I think. And the protagonist, Shevek, is wonderful -- a physicist, smart and ethical and interesting. I don't know that I really fell in love with him, the way I did with some other characters in books, but I certainly liked him a lot.
So here I was yesterday, reading this book again after twenty years, and realizing with every page how much Kevin is like Shevek. Not just in the mathematician/physicist similarities, but in character as well. Reading the book made me feel all warm and fuzzy about Kev. So I think I might be able to lay my falling in love with Kevin all those years ago a little bit at Le Guin's door. I ought to write her a thank-you note. :-)