Magnus PegelMagnus Pegel was a German doctor and mathematician. Pegel was born in Rostock in Pomerania/Germany and was one of the first authors to write about the theory of blood transfusions. He died at Stettin.Works "Disputatio de peste" "Universi seu mundi Diatyposis" "Thesaurus rerum selectarum" "Aphorismi thesum selectarum"