When Dr. Juris Zoldners, Doctor of Chemical Sciences, celebrated his 90th birthday at the end of August, his morning began, as always, with a smile and a kind-hearted joke that made his colleagues smile as well. The day ended in the laboratory – the place that has been at the center of his daily rhythm for more than sixty years. There, Juris Zoldners continues his experiments with unceasing interest, convincing everyone that science is not a profession to be left at the door, but a way of life that gives meaning to everyday existence. In this lightness, and at the same time steadfast devotion...