In 1943 there appeared in Berichte der Deutschen Chemischen Gesellschaft[1] a brief notice (Figure 1) of the death of Wilhelm Schlenk, the former President of the German Chemical Society (Deutsche Chemische Gesellschaft).[2a] It was stated that a fuller biography of Schlenk would appear later, but this has not been forthcoming, although there were short articles in specialized Austrian[2b] and ...

Introduction The origin of the concept of memory consolidation and the introduction of the term “consolidirung” (consolidation) to the modern science of memory are generally credited to Georg Elias Müller (1850–1934), professor at the University of Göttingen, Germany, and his student Alfons Pilzecker. Their seminal monograph “Experimentelle Beiträge zur Lehre vom Gedächtnis” (Experimental Contr...

En este artículo de reflexión, derivado la investigación: Concepciones sobre lo pedagógico en los grupos investigación nacionales clasificados por MINCIENCIAS el área pedagogía, se retoman algunos representantes pedagogía las ciencias del espíritu para fundamentar manera preliminar que actualidad nombra como campo disciplinar y profesional Pedagogía Colombia. Disciplinar, porque está conformado...

Wilhelm Röentgen’s serendipitous discovery of x rays provided medicine and especially perinatal medicine with a powerful new investigative tool. Röentgen was born in the Rhineland town of Lennep on 27 March 1845. His German father Friedrich and Dutch mother Charlotte were cousins, coming from a well known family of merchants. When Wilhelm was three, the family moved to Apeldoorn in the Netherla...

In 1945, after the end of World War II, Germany was in ruins and demoralized, and few were confident that the country, and its science, would recover soon, if ever, from utter collapse. The 32-year old physicist, Alfred Klemm, a co-worker of the Kaiser Wilhelm Institute of Chemistry (later to become the Max Planck Institute of Chemistry) which had been evacuated from bombed Berlin to southwest ...

In this paper are presented notes on the primary types of some species oil-collecting bees genus Centris described by European naturalists and entomologists Amédée Louis Michel Lepeletier de Saint-Fargeau, Anders Christian Jensen-Haarup, Arthur Marie Joseph Vachal, Charles Émile Blanchard, Embrik Strand, Félix Édouard Guérin-Méneville, Guillaume-Antoine Olivier, Jean Guillaume Audinet-Serville,...