Mumler and the First Spirit Photographs
In 1861 the Boston engraver William Mumler found a translucent figure on a self-portrait and announced he had photographed his dead cousin. For years afterwards he photographed Civil War widows beside their dead — his most famous print shows Mary Todd Lincoln with the hands of the murdered president on her shoulders. New York tried him for fraud in 1869: P. T. Barnum appeared for the prosecution and produced a spirit portrait of his own, made in an evening. Mumler was acquitted because the court could not prove the method, but several of his ghosts were recognised as living Bostonians he had photographed earlier.
Liaoning and the Piltdown Bird
In November 1999 National Geographic held a press conference for Archaeoraptor liaoningensis, the missing link between dinosaurs and birds, bought at a mineral fair in Arizona for eighty thousand dollars and quarried from the shales of Liaoning. The Chinese palaeontologist Xu Xing saw the article and recognised the tail: he had described it himself, and it belonged to a Microraptor. CT scanning confirmed the slab was glued together from at least two and probably five animals — the body of the bird Yanornis, the tail of a Microraptor. The magazine retracted, and the specimen went into the textbooks as the Piltdown Bird.
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