Ever notice how whenever there's an 'ailment' (for lack of a better term), Alexander is claimed to have had it? First we have left-handedness, then there was that sexual orientation thing, then epilepsy, and now -- from a piece at WFIE:

Let's dispel some myths.

First, there's the myth that hyperactivity is a mental disorder.

If hyperactivity is a mental disorder, then so is being artistic or athletic or genius or musical. Hyperactivity is a personality type, and one which has given the world some of its finest moments. Guess who was hyperactive? Here's a list:

Columbus, Alexander the Great, St. Paul, Joan of Arc, Johnny Appleseed, Marco Polo, Daniel Boone, Davy Crockett, Theodore Roosevelt, Lewis and Clark, Geronimo, Da Vinci, Michelangelo, Lancelot - if he existed - the Wright brothers, Van Gogh, and the list goes on.

Another one to add to the useful page at Pothos.org ...