Yellow ribbon Ribbon" around public trees as well as encouraging people to wear tied ribbons on lapels in support of the U.S. hostages being held in Iran. She was interviewed on ABC-TV by Ted Koppel on the newly created "Nightline" late-night news program and later by Peter Jennings for ABC's "World News Tonight". This symbolism continued and gained further recognition in December 1979, when Penelope Laingen, wife of Bruce Laingen who was the most senior foreign service officer being held hostage, tied a yellow ribbon around a tree on the lawn of her Maryland home. The ribbon primarily symbolized the resolve of
An Oak Tree colour, with the goal of discarding meaning, which is "both persistent and unstable", although he states that people's need to create associations and meanings makes this goal unachievable. "An Oak Tree" was first shown in an exhibition of Craig-Martin's work at the Rowan Gallery, off Bond Street, London, in 1974. Many visitors assumed that Craig-Martin was playing the ultimate con trick, as there seemed no evidence of work on display in the white-walled gallery. However, high up on a wall was the glass of water and the glass shelf of the work "An Oak Tree". At this time the accompanying