The astrophysicist Jocelyn Bell Burnell was a key part of the scientific team that discovered pulsars in the 1960s. The discovery provided the strongest confirmation yet of Einstein's theory that physicists believe best explains gravity.
But 50 years ago it was rare to find women prominent in science. Professor Bell Burnell tells Stephen Sackur of the cultural problems discouraging women from taking a scientific profession.
READ MORE:
The female astrophysicist who took on a man's world
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