In April 2013, Van Dyke revealed that for seven years he had been experiencing symptoms of a neurological disorder, in which he felt a pounding in his head whenever he lay down; but despite his undergoing tests, no diagnosis had been made. He had to cancel scheduled appearances due to fatigue from lack of sleep because of the medical condition. In May 2013, he tweeted that it seemed his titanium dental implants may be responsible.
It took Walt twenty years to talk Travers [P.L. Travers, author of the Mary Poppins novels] into giving him the rights for the picture and then she fought him tooth and nail all the way through it. She hated me, she hated Julie Andrews, she didn't think either one of us were right. After the premiere she met Walt in the lobby and said, 'All the animation has to go.' Walt said, 'Pamela, the boat has sailed.'
After Van Gogh's death, memorial exhibitions were held in Brussels, Paris, The Hague and Antwerp. His work was shown in several high-profile exhibitions, including six works at Les XX; in 1891 there was a retrospective exhibition in Brussels. In 1892 Octave Mirbeau wrote that Van Gogh's suicide was an "infinitely sadder loss for art ... even though the populace has not crowded to a magnificent funeral, and poor Vincent van Gogh, whose demise means the extinction of a beautiful flame of genius, has gone to his death as obscure and neglected as he lived."