Funeral of Diana, Princess of Wales Shakespeare's "Hamlet", was sung by the Westminster Abbey Choir conducted by Martin Neary as Diana's cortège departed from the main nave of Westminster Abbey. On the same day, a memorial service was held at Washington National Cathedral and was attended by 2,170 people including the British ambassador John Kerr, the U.S. ambassador to the United Nations Bill Richardson, and chairman of "The Washington Post" Co. executive committee Katharine Graham. On Sunday, 7 September, an additional service for Diana was performed at Westminster Abbey in response to popular demand. The burial occurred privately later the same day. Diana's former husband, sons,
Diana, Princess of Wales stigma attached to people living with HIV/AIDS", Mandela said. In 2009, a panel including Sir Ian McKellen and Alan Hollinghurst chose Diana's portrait to be shown in the Gay Icons exhibition at the National Portrait Gallery, London. In October 2017, the "Attitude" magazine honoured Diana with its Legacy Award for her HIV/AIDS work. Prince Harry accepted the award on behalf of his mother. Diana was the patron of HALO Trust, an organisation that removes debris—particularly landmines—left behind by war. In January 1997, pictures of Diana touring an Angolan minefield in a ballistic helmet and flak jacket were seen worldwide. During