Mark Hamill, J.K. Rowling, Hugh Jackman and more react to visionary artist David Bowie's passing

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Jan 12, 2016, 12:11 PM EST

The world is in a state of shock and sadness as the somber news of David Bowie's death at 69 begins to sink in, and heartbroken tributes and reactions from the geek realm are beginning to pour in.  We've assembled an initial wave of these touching remembrances and words of condolences for you to absorb from celebrities, musicians and artists that inhabit the nerdier corners of our universe.  May their messages somehow help soften the blow.