[Albus' quill hesitates. Something about that names tugs at his memory. He should know that name... why should he know that name?]

Gellert Grindelwald. That's an unusual name. My name is Albus Severus Potter. Did you really know Headmaster Dumbledore when he was-

[It finally hits Albus why he knows that name. His Dad had a book about Dumbledore - mostly garbage, he said, but it had some interesting stories in it. There was one about young Dumbledore and a young man who would grow up to be the first Dark Lord before Voldemort.

Oh fucking hell.]