Hugo Warner Christiansen, 89, of Ooltewah, Tenn., died on Sunday, Dec. 2, 2018. He was born on March 6, 1929, in Copenhagen, Denmark and moved to Chattanooga to study History and Religion in 1953. Hugo was a librarian at the Library of Congress in Washington, DC for 31 years. He was preceded in death by his wife, Muriel; and his parents, Jens and Thea Christiansen. Survivors include his two children, Lynda (Paul) Smith, and Leif (Sharon) Christiansen; six grandchildren; and 10 great-grandchildren. A Memorial Service will be held at 4 p.m. on Saturday, Dec. 8, 2018, at McDonald Road SDA Church. In lieu of flowers, memorial donations may be made to Adventist World Radio (http://awr.org/support/). Visit www.heritagechattanooga.com to share condolences with the family. Arrangements by Heritage Funeral Home of Chattanooga.