Top left: Logo for the International Year of Crystallography, 2014.
Top right: A photograph of crystals of the 50S subunit of the bacterium Deinococcus radiodurans (Ribosome Crystallography Group, Max Planck Institute for Molecular Genetics, Berlin). Ada Yonath experimented for years before getting crystals that indicated a crystal structure of the ribosome was possible.
Bottom left: Crystals of insulin grown in space (picture courtesy of NASA/Marshall). Dorothy Hodgkin grew some of the first single crystals of insulin decades before it was possible to determine the structure.
Bottom right: An X-ray diffraction pattern of DNA (courtesy of the National Institute of Health). Rosalind Franklin's famous photo 54 was vital to proof of Watson and Crick's Model for DNA.
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