Astronomy Astrophysics

Early History of Cosmic Ray Studies: Personal Reminiscences by Yataro Sekido, Harry Elliot

By Yataro Sekido, Harry Elliot

On the celebration of the foreign convention on Cosmic Rays held in Kyoto in August 1979 5 elderly participants of the cosmic ray fraternity, H. Elliot, V. L. Ginzburg, B. Peters, Y. Sekido, and J. A. Simpson met jointly as a cocktail party dedicated to the joy of eastern food and memories of our more youthful days. This friendly celebration referred to as to of our personal age in addition to a few eminent seniors no longer current on the brain the numerous acquaintances convention whose memories might have extra enriched and enlivened our night. by the point the dinner got here to an finish we had agreed that the compilation of a extra broad choice of own memories will be an enticing and invaluable project. as a result, tomorrow we held a piece of writing assembly to attract up an inventory of power authors and people, the current editors, all started paintings at the undertaking. In placing the e-book jointly our purpose has been to aim to catch and checklist via those own bills whatever of the ambience, the thrill and the frustrations of study in cosmic rays as skilled at the beginning hand by way of many of the practi­ tioners within the box. It hasn't ever been our goal that it's going to contain a scientific historical past of the topic. Neither, regrettably, can or not it's a completely consultant assortment seeing that sensible limits to the dimensions of the amount on my own could prevent that.

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Philos. , 11, 32. ERINNERUNGEN AN V. F. HESS, DEN ENTDECKER DER KOSMISCHEN STRAHLUNG, UND AN DIE ERSTEN JAHRE DES BETRIEBES DES HAFELEKAR-LABORS Rudolf STEINMAURER* Urn zu verstehen, wie es zur Entdeckung der Kosmischen Strahlung durch Hess irn Jahre 1912 kommen konnte, mtissen wir uns in die Zeit urn 1900 zurUckversetzen, als man die LeitHihigkeit der Atmosphare und ihre Ursachen zu studieren begann. Geitel, Elster u. Geitel und Wilson hatten fast gleichzeitig festgestellt, daB staubfreie Luft auch in geschlossenen GefaBen stets schwach leitet.

26 R. Steinmaurer Die "Station ftiT Uitrastrahlenforschung" auf dem Hafelekar bei Innsbruck (2300 m), 1960, vor dem spateren Ausbau. ick, Durch die Entdeckung der Teilchennatur der Strahlung waren auch Beobachtungen in verschiedenen geographischen Breit~n aktuell geworden, Steinke erklarte sich bereit, mehrere Exemplare seiner Standard-Apparatur herstellen zu lassen. O'Bro1chain), Hafelekar (Hess), Bandung (Clay), und Kapstadt (Schonland). 1m Juli 1931 wurden die ersten Apparate von Corlin, O'Bro1chain und dem Verfasser in Konigsberg tibermommen.

Sein Wunsch war die Erriehtung eines Gebaudes auf dem Hafelekar, das au~er der "Station flir Ultrastrahlenforschung" auch einem meteorologischen Observatorium, einer kleinen Sternwarte und einem Labor fur alpine Forschungsarbeiten Raum geboten hatte. Da aber die Mittel nicht reichten, wurde im "Unterkunftshaus Hafelekar" ein 3 mal 4,5 m 2 gro~es Zimmer als Labor eingerichtet. Elektrischer Strom war vorhanden, Wasser mu~te im Winter von der Bergstation der Seilbahn geholt werden. Durch die finanzielle Hilfe der Osterrichischen Akademie der Wissenschaften, der Preussischen Akademie der Wissenschaften, der Osterreichisch-deutschen Wissenschaftshilfe und des Sonnblick-Vereines war es Hess moglich, eine von E.

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