I am sure Rad is happy to hear all the good words said about him in this thread.
My sincere condolences to you and your family. When I first read about his illness, I, like some others, thought that it was cancer. Then, when he reappeared on the forums and in online battles, I had reason to believe that it was overcome and everything is getting to normal. Unfortunately, I was wrong.
I also think you should let his family know that he will be remembered, at least on this forum. In a current world when "nobody cares" this does matter.