28 November, 1967 - 24-year old physicist and PhD student Jocelyn Bell Burnell discovered the first radio pulsars.
She prototyped and helped build the array telescope which consisted of wires and cables strung over a space the size of 57 tennis courts.
The subsequent 1974 "No-Bell" Prize in Physics was awarded to her advisor and another physicist but she was left out because she was a graduate student (and a woman).
https://www.cam.ac.uk/stories/journeysofdiscovery-pulsars
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