The Oxford Science Lecture Series
Georgina Ferry
Science writer & broadcaster, biographer of Dorothy Hodgkin
"An Exemplary Life: The Scientific and Humanitarian Legacy of Dorothy Crowfoot Hodgkin"
Dorothy Hodgkin Memorial Lecture 2026
Somerville College, Oxford, 10th March 2026
For 35 years, Dorothy Hodgkin pursued a single, formidable goal: to see the structure of insulin - a molecule central to life and death for millions. She finally succeeded, becoming the only British woman to win the Nobel Prize in Chemistry, yet her name remains far less widely known than it should be.
Georgina Ferry’s memorial lecture offers a powerful and deeply human portrait of Hodgkin - not only as a ground breaking scientist but as a person driven by intellectual courage, moral clarity, and an enduring commitment to improving the world.
Learning to Read the Invisible
Hodgkin’s life work centred on X-ray crystallography, a technique that required interpreting faint diffraction patterns -“reading shadows” cast by molecules invisible to the naked eye. In an era before computational automation, this meant painstaking manual calculation and extraordinary intellectual precision.
As Ferry’s account makes clear, Hodgkin’s achievements were not simply technical feats but acts of imaginative insight. She saw meaning where others saw impossibility.
Her fascination began early. Born Dorothy Crowfoot in Cairo in 1910, she developed a passion for crystals as a child, growing them at home and marvelling at their beauty. Reflecting on this formative experience, Hodgkin later wrote: “I was captured for life by chemistry and by crystals.”
This early capture became a lifelong pursuit.
Hodgkin entered Oxford in 1928, where she encountered X-ray crystallography and recognised its transformative potential.
She faced a deeply personal challenge. In her twenties, Hodgkin developed severe rheumatoid arthritis. Her hands became swollen and deformed, making the delicate manipulation of crystals and instruments intensely painful.
Yet she persisted - adapting her methods, continuing despite discomfort, and sustaining work that required extraordinary precision. Her determination reflects what she herself described as one of her defining qualities: “a certain kind of foolhardiness in going on doing things that other people don’t expect it’s quite possible to do.”
Hodgkin’s scientific legacy is marked by three landmark achievements,
• Penicillin (1945): By determining its structure, Hodgkin confirmed its chemical formula, enabling the later development of semi-synthetic penicillins.
• Vitamin B12 (1956): Her work revealed the structural basis of treatment for pernicious anaemia, which had been in use since 1948.
• Insulin (1969): Her most complex and sustained project, taking 35 years to complete, revealed the molecular structure of a protein critical to diabetes treatment.
Each success required not only technical brilliance but decades of persistence. As Ferry observes: “The scale and ambition of her work… and the long-term persistence required, are breathtaking.”
Science in the Service of Humanity
Hodgkin was awarded the Nobel Prize in Chemistry in 1964, a recognition of her extraordinary contributions. Yet, as Ferry emphasises, Hodgkin was never motivated by fame. Her commitment to humanity extended far beyond the laboratory.
Ferry highlights her concern for issues including women’s equality, education, international peace, and nuclear disarmament. Hodgkin believed that science carried a responsibility - not only to advance knowledge but to contribute to a better world.
Her approach to activism was characteristically understated but profoundly effective. She combined what Ferry describes as a “gentle demeanour” with “total fearlessness in speaking out” and “absolute moral clarity in her beliefs.”
A Legacy of Intellectual Courage and Moral Clarity
Ferry concludes that Hodgkin sought to “play a part in handing on a world that was better than it had been when she found it.”
She achieved this in two interconnected ways:
• As a scientist, through “skilled experimentation, insight informed by deep reading and scientific discussion,” and the courage to pursue problems others deemed impossible.
• As a global citizen, through advocacy grounded in honesty, humanity, and an unwavering ethical compass.
This dual legacy is perhaps best captured in the words of her colleague Guy Dodson, quoted by Ferry:
“Her authority came from her standing in science but her effectiveness came from her transparent honesty and humanity.”
Dr Pushpalata Chaure
Director of Studies at Kings Oxford