Hektoen International

A Journal of Medical Humanities

Tag: crystals

  • Kathleen (Yardley) Lonsdale DSc., FR

    JMS PearceHull, England Kathleen Lonsdale (1903-1971) (Fig 1) like her contemporary Dorothy Hodgkin was one of the women pioneers in a man’s world of professional scientists.1 She developed original techniques in X-ray diffraction of crystals to determine the structure of a molecule. This led to studies of the benzene ring, structure of drugs, and investigations…

  • Dorothy Crowfoot Hodgkin OM, FRS (1910-1994)

    JMS PearceHull, England Dorothy Hodgkin (Fig 1), though not by religion, had close Quaker affinities through her marriage and through her spirited pacifism. She possessed a unique mixture of scientific skills that allowed her to extend the use of X-rays to reveal the structures of compounds, a technical venture far more complex than anything attempted…

  • A case of toxic blood

    Shruthi DeivasigamaniPhiladelphia, Pennsylvania, United States On a blustery winter day, a molecule of water condenses around a particle of dust in the air. The structure grows in size as it falls closer to earth, and before it hits the ground outside, it has crystallized into a perfect, six-sided snowflake. Miles away, a thirty-one-year-old woman is…