First, I felt just shock, and then I felt there's no way, just no way, Dumbledore couldn't be dead, ... So I thought, 'What's the trick?' but unfortunately J.K. Rowling doesn't do that. She's writing about war and in war people die. They are not protected by their office and the esteem in which they are held. She wouldn't compromise that idea by easily bringing him back.
The wonderful thing about Martha's work is that it showed such sweet empathy with her characters. Their joy was her joy, their fears were hers. At least it felt that way, which is all an artist can ask. Her art was pretty without being precious, sweet without being icky. And she was a truly nice person.