Liz, thanks for this. I well recall DBS (as he was known to students) from when I took my chemistry degree (1976-9). I did some research for him during one of the holidays and by way of appreciation he took me for dinner in his car, a Citroen 2CV (with very low fuel consumption). He explained that he had a Bentley but couldn’t drive it – if the paperazzi ever took a photo of him driving it, his anti-lead campaign could have bitten the dust! His Wikipedia page is here.
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