Hitler and Wittgenstein

Watch this article in Wikipedia on Ludvig Wittgenstein:

"Until 1903, Ludwig was educated at home; after that, he began three years of schooling at the Realschule in Linz, a school emphasizing technical topics. Adolf Hitler was a student there at the same time, when both boys were 14 or 15 years old. It is a matter of controversy whether Hitler and Wittgenstein knew each other personally, and if so whether either had any memory of the other. However, Hitler must have at least noticed Wittgenstein, for in Linz the latter was a conspicuously bizarre fellow"