John Roberts

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160 reputation
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visits member for 8 months
seen Feb 15 at 19:40
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160 Reputation

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-5 May 9
-5 19:56 removed User was removed
5 Feb 16
+5 01:04 upvote Photonics: Slab As a Lens
6 Dec 23 '12
+6 14:41 removed User was removed
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