'BURKHARDT, Johannes, Der Dreißigjährige Krieg'

Johannes Holtfreter

"Versuche zur Analyse der Induktionsmittel in der Embryonalentwicklung" (1932), by Hermann Bautzmann, Johannes Holtfreter, Otto Mangold, and Hans Spemann

In ?Versuche zur Analyse der Induktionsmittel in der Embryonalentwicklung [4],? published in Naturwissenschaften in 1932, Hermann Bautzmann [5], Johannes Holtfreter [6], Otto Mangold [7] , and Hans Spemann [8] jointly reported on experiments each had conducted testing the activity of organizers killed by boiling, freezing, alcohol, and drying. Each of the authors had been independently conducti...

Brits - Krieg : The Strategy of Economic Warfare

The treasure trove of yeast genera and species described by Johannes van der Walt (1925–2011)

Yeast taxonomy and systematics have in recent years been dealt with intensively primarily by a small group of individual researchers with particular expertise. Amongst these was Johannes P. van der Walt, who had a major role in shaping our current understanding of yeast biodiversity and taxonomy. Van der Walt based his taxonomic studies not only on available cultures, but also by going into the...

Johannes Wildberger (1815–1879) ein Schweizer Messerschmied und Wegbereiter der Orthopädie

These interests are not without historical value and are still being indulged today, but with an increasingly old-fashioned air. Attention is turning away from men of genius and their works in virtual isolation to a consideration of their place in contemporary society and of the intellectual forces that influenced them. We are slowly learning that the history of medicine is a part of general hi...