As a Bristol PhD student Rosemary Fowler (then Rosemary Brown) made a significant contribution to the use of photographic materials in particle physics. She married a fellow PhD student Peter Fowler (grandson of Ernest Rutherford) and left Physics to raise a family.
Her 3 papers in Nature and Phil Mag are well recognised for their contribution. As a 22-year-old doctoral researcher discovered the kaon (or K meson particle). While studying photographic plates that had been left exposed to cosmic rays, she identified a new configuration of tracks within the photographic emulsion that she recognised as being the decay of an unknown charged particle. Her discovery contributed to the introduction into particle physics of the property of strangeness, and to physicists' understanding that parity is not conserved in weak interations – features that now form an integral part of the standard model of particle physics (see: https://en.wikipedia.org/wiki/Rosemary_Fowler)
In July 2024, 75 years on at age 98 she has just received an Honorary DSc for her work.
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