Julius Schäffer
Deceased Person
1882 – 1944
Who was Julius Schäffer?
Julius Schäffer was a German mycologist. His contributions include studies on the Agaricales, especially the genus Russula, about which he wrote a monograph in 1933. Later, he revised the genus in the series Die Pilze Mitteleuropas; his notes were published posthumously by his wife Liesel in 1952 with the help of other mycologists. The work was considered the "authoritative treatment of the group for Central Europe." Schäffer developed a chemical test to help with the identification of Agaricus species. A positive reaction of Schaeffer's test, which uses the reaction of aniline and nitric acid on the surface of the mushroom, is indicated by an orange to red color; it is characteristic of species in the section Flavescentes. The compounds responsible for the reaction were named schaefferal A and B to honor Schäffer.
Schäffer is the only mycologist of modern times known to have died from consuming poisonous mushrooms, in this case, Paxillus involutus. About an hour after he and his wife ate a meal prepared with the mushrooms, Schäffer developed vomiting, diarrhea, and fever. His condition worsened to the point where he was admitted to hospital the following day, and subsequently developed renal failure, perishing after 17 days.
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