By Bodil Schmidt-Nielsen
August Krogh, the son of a brewer, studied zoology in Copenhagen and earned his doctoral measure lower than the physiologist Christian Bohr, the daddy of the world-renowned nuclear physicist Niels Bohr. Krogh's strange skill to build tools and complicated apparatuses and his intuitive figuring out of actual rules made it attainable for him to enhance on Bohr's equipment. His findings led him to problem Christian Bohr's principles approximately oxygen secretion, and whilst Bohr refused to simply accept his findings, Krogh unwillingly got here right into a painful clash along with his personal mentor. Krogh's endured experiences of ways oxygen is provided to the tissues ended in his recognition that the blood movement within the best blood vessels, the capillaries, should be regulated via a mechanism that opens and closes the capillaries in response to the tissue's want for oxygen. this concept and his medical facts have been on the time so new and progressive that he used to be quickly (in 1920) provided the Nobel Prize. His popularity in Denmark and world wide persisted to develop till his demise in 1949. His medical discoveries prolonged from breathing, workout body structure and capillary body structure into comparative osmoregulation, isotope reviews, energetic delivery of ions in vegetation and animals, and eventually insect flight.
one other dramatic tale of Krogh's existence begun while he brought insulin construction in Denmark in 1922. This flow kept his personal wife's existence in addition to a number of different lives and helped make Denmark's Novo-Nordisk the biggest manufacturer of insulin on the earth this day. Krogh's spouse, Marie, grew to become a doctor and a well known scientist in her personal correct. all through their harmonious marriage and partnership, Marie performed a big function in her husband's lifestyles either scientifically and personally.
Written by means of the proud daughter of August and Marie Krogh, this biography is predicated on a variety of letters, medical papers, interviews, symposia, and different resources in addition to the author's personal wisdom of her mom and dad. The intertwining of the medical paintings and private lives of those impressive humans is superbly illustrated in a well-rounded photograph in their struggles and triumphs. it's a special e-book, choked with human heat and clinical realizing.
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Additional info for August and Marie Krogh: Lives in Science
He saw his friend and fellow student Axel Raphael-Petersen, but Valdemar S0rensen was busy with hospital duties and they saw less and less of each other. In May 1897 August wrote: 1 believe 1 am losing Valdemar S0rensen. " Anyway 1 think he spends most of his spare time on parties and card games. He visits me only when he wants to borrow money, and several times 1 have tried without luck to find him at home. The only one 1 now see is Axei Raphael. Even though our natures are quite different, we agree on many things and enjoy each other's company.
The experiments with Bohr proceeded well, gradually focusing on the skin and lung respiration of frogs. August managed to continue his experiments at home on sap rising in plants and on the function of plant stomata. At the end of May 1898 he gave a seminar on his findings. Warming had organized scienti:fic seminars at his home one evening each month for the natural history students and some of the older botanists. Because August felt that the botanists had the wrong opinion on sap rising, he decided to use one of these meetings to present his criticism and results.
1 have studied hard (among other things a scientific work of more than 1000 pages in English) and 1 have overcome, 1 believe, most of the difficulties in my study of the mechanism of stomatas in plants. A famous German bas been engaged in this problem earlier. His work is some physicaliy impossible nonsense, but it bas been generaliy acknowledged and bas Becoming a Physiologist 35 been accepted by Professor Warming with enthusiasm. " 9 In the following letter he tells about the start in Bohr's laboratory.