Yes, he did, as did Abraham Lincoln. You can do a Google on "bipolar" and "genius" and find study after study showing how many great artists, composers, authors, and leaders have suffered from bipolar or unipolar depression or schizophrenia. Virtually all of the greats from Brian Wilson to Beethoven to Tolstoy to Isaac Newton to Van Gogh to Michelangelo to Charles Dickens battled with at least one of these diseases.
Yes indeed - I know about Abe - another hero of mine (I love reading about your Civil War). I guess many others as well.
Kind regards!
Also add Jack London and the author of Red Badge of Courage