Page:Proceedings of the Royal Society of London Vol 60.djvu/554

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part he played in the foundation and execution of the well-known Jahresbericht über die Fortschritte der Chemie und verwandter Theile anderer Wissenschaften.' This great work was, in a sense, the outcome and continuation of Berzelius' 'Yearbook.' On the death of the Swedish chemist in 1848, the leaders of the Giessen school of chemical thought determined to carry on his work of registering the progress of chemistry, but on a somewhat different plan. Berzelius at the time of his death was the greatest chemical critic of the time, aud wielded his authority with all the despotism of an Oriental potentate. The 'Jahresbericht' of Liebig and Kopp differed fundamentally both in plan and execution from its Swedish prototype. It was to be a review of the year's progress, not only in chemistry, but also in all those sciences which were associated with chemistry, or were, in any definite sense, ancillary to it; it was to be done impartially, and with no special rcference to any set of dogmas or particular school of chemical thought. the more active members of the scientific side of the Philosophical Faculty of the University were concerned in its production. To Kopp fell the greater share of the arrangement, and of the general editorial management; in addition, he undertook the summaries relating to Theoretical, Physical, and Inorganic Chemistry. To Buff and Zam- miner was entrusted Pure Physics; to Heinrich Will, Organic Chemistry to Knapp, Technical Chemistry; to Ettling, Mineralogy and to Dieffenbach, Chemical Geology. The first volume appeared towards the close of 1849, and consisted of a review of the work of 1847 and 1848. Liebig continued to be associated with Kopp as editor for some years after his removal to. Munich, but in 1857 his place was taken by Will, who acted as co-editor until 1862, when Kopp resigned his share iu the responsible direction of the publica tion just prior to his removal to Heidelberg. No chemist active in the prosecution of rescarch needs to be reminded of the value of the Jahresbericht.' It has undoubtedly exercised a most beneficient influence on the development of chemical science in Germany, and it has been of the greatest service to those chemists in this country to whom German is not an unknown tongue.

In 1851 Kopp joined Liebig and Wöhler in the production of the Annalen der Chemie und Pharmacie,' and for many years he took the responsible share in its management. He prepared the section on "Theoretical Chemistry " Otto's Lehrbuch der Chemie' and his 'Introduction to Crystallo- graphy,' written specially for chemists, was long a standard work.

Kopp's scientific papers relating to his experimental and critical labours appeared mainly in ' Poggendorff's Annalen,' and in the Annalen der Chemie und Pharmacie.' Two or three of his carly communications were printed in the 'Philosophical Magazine,' and Practically the whole of that well-known text-book, Graham-