This digitised material is free to access, but contains information or visuals that may:<ul><li>include personal details of living individuals</li><li>be upsetting or distressing</li><li>be explicit or graphic</li><li>include objects and images of objects decontextualised in a way that is offensive to the originating culture.</li></ul>By viewing this material, we ask that you use the content lawfully, ethically and responsibly under the conditions set out in our <a href="https://wellcomecollection.cdn.prismic.io/wellcomecollection/d4817da5-c71a-4151-81c4-83e39ad4f5b3_Wellcome+Collection_Access+Policy_Aug+2020.pdf">Access Policy</a>.

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Correspondence: P

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The correspondents are:

Professor George D Pappas (dismissal of Greek academics), Dr H Hasko Paradies, John E Parnell, A L Patterson, Dr S M Partridge, Dr Chester Partridge, Professor W D M Paton (cannabis), Professor Linus Pauling (three hydrogen bonds between guanine and cytosine), Dr A R Peacocke (British Biophysical Society talk, 1966), Dr Stephen R Pelc (model-building), Dr J W Peltason, Walter Penney, Dr Lionel Penrose (fingerprints), Dr F Persico, Dr Max Perutz, Dr Ward Pigman, Dr David Pines, 'Plastic-Union', Police College Library (fingreprints), Professor G Pontecorvo, Professor Martin R Pollock, Professor R R Porter (including a draft lecture on immunoglobulin structure, with Crick's detailed response), Professor Van R Potter, Dr D M Potts (International Planned Parenthood Federation), D Kedar N Prasad, Mrs Frederick W Pratt (Huntingtons Chorea), Dr George R Price, Professor J W S Pringle, Professor R H Pritchard, and Professor Frank W Putnam.

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Correspondence: P

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