First transmitted in 1964, it took physicists at Brookhaven, Long Island, New York, two years and 97,025 photographs before they successfully identified a predicted new particle, which has a unique characteristic known as 'strangeness minus three'. Contributing physicists include Murray Gell-Mann, Yuval Ne’eman and Richard Feynman.
50 Years of Horizon Collection
About BBC Four Collection programmes
50 Years of Horizon - interactive ebook