Part One:The true story of the discovery of 'fixation'.- Robert Le Rossignol The early years, Victoria College, UCL and Ramsay.- Fritz Haber and Karlsruhe Breslau to Karlsruhe an unexpected journey.- Germany and fixation Of the Prussian, Chile, and 'fixed' nitrogen.- The Golden Chemist Roberts 'ammonia apprenticeship' at UCL.- Hamburg, May 12th1907 The Bunsen Society Meeting.- Determination of the ammonia equilibrium under pressure.- Taking care of business Habers contracts with the BASF and Le Rossignol.- 8. The Big Fix Synthetic ammonia at Karlsruhe.-Part Two:The industrialisation of fixation and the Great War.-The Auergesellschaft, Berlin Tungsten filaments and a pawn in a power game.-Of Koppel and the Kaiser Progress at the BASF, 'fixation' revealed, and the Kaiser WilhelmInstitute, Berlin.-From Karlsruhe to Oppau Industrialisation of the Haber-Le Rossignol process.-Berlin, 1911-1914 Of patents, publications and the prelude to the Great War.-Haber and the 'ChemistsWar'. 1914-1918 Fixation'and gas warfare.-Roberts war. 1914-1918 Internment at Ruhleben, release to the Auer and finally home.-Part Three:The GEC Laboratories, the second world war and retirement.-The Post-War Years, 1919-1930 Of airships, unfinished business from Germany and theGEC Laboratories.-The Post-War Years, 1930-1939 Of CATs, Cambridge and the BBC.-The Second World War and immediate post-war years. 1939-1949 Wembley at war, St Helier and retirement.-Penn, Buckinghamshire. 1949-1976 Retirement years, coming out and remarkable benevolence.-February 2012 A personal pilgrimage to Penn to meet with some who still remember the Le Rossignols.- End Notes and References.-AppendixA: Heat capacity and enthalpy.- AppendixB: The Third Law in action; thermodynamics of then-butane toiso-butane isomerism.- AppendixC:The Nernst approximation formula.- AppendixD: The Haber(-Le Rossignol) equations 1907-1914.- AppendixE: Thermionic valves.- AppendixF: Robert Le Rossignols patents. 1909-1956.
