Birmingham Particle Physics Group Photos

On 30 September 2015, after an estimated gap of 14 years, the Birmingham particle physics group took a group photo. It's reproduced below, along with some (ahem) earlier versions.

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A little over half of the 2015 Birmingham group.
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Approximately 2001 vintage, including youthful-looking current ATLAS spokesperson
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Bubble chamber group, mid 1980s. Spot the current head of Lancaster physics department
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Early 1980s
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Early 1980s