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If anyone was defending science, it seemed to be the German team. Nobody could dispute that the panel of the original Flower had been decayed by wormwood. As Hammerschmidt-Hummel pointed out, “It had already been described in these terms by British experts at the end of the 19th and the beginning of the 20th centuries, among them the director of the National Portrait Gallery.” Yet now the panel appeared improved, “showing no signs of wormwood damage… [and] the peripheral areas, which in the original painting are brittle and have been broken or chipped away in places, exhibit no such damage in the portrait inspected in the RSC depository.
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Lee Durkee (Stalking Shakespeare: A Memoir of Madness, Murder, and My Search for the Poet Beneath the Paint)