00288cam a22001097a 4500008003600000082001700036100001800053245006500071260001500136300000900151650001800160180718b   xxu||||| |||| 00| 0 eng d  aR143x42 T545  aTizard, Henry  aA scientist in and out of the civil servicecby Henry Tizard  aLondonbc  a21p.  aCivil Service