Christian Hendrik Persoon (February 1, 1761 - November 16, 1836) was a mycologist who made additions to Linnaeus' mushroom taxonomy. He was influenced by Elias Magnus Fries. Persoon was born in South Africa, of Dutch and German descent. He died in poverty in Paris. February 1 is the 32nd day of the year in the Gregorian Calendar. ... 1761 was a common year starting on Thursday (see link for calendar). ... November 16 is the 320th day of the year (321st in leap years) in the Gregorian Calendar, with 45 days remaining. ... 1836 was a leap year starting on Friday (see link for calendar). ... Mycology is the study of fungi, their genetic and biochemical properties, their taxonomy, and their use to humans as a source for medicinals (see penicillin) and food (beer, wine, cheese, edible mushrooms), as well as their dangers, such as poisoning or infection. ... Carolus Linnaeus ~Carl Linnaeus~, also known after his ennoblement as Carl von Linné (   listen?), and in English usually under the Latinized name Carolus Linnaeus (May 23, 1707 – January 10, 1778), was a Swedish botanist who laid the foundations for the modern scheme of taxonomy. ... Basidiocarps (mushrooms) of the fungus Leucocoprinus sp. ... Taxonomy (from Greek ταξινομία (taxinomia) from the words taxis = order and nomos = law) may refer to either the classification of things, or the principles underlying the classification. ... Drawn image of Elias Magnus Fries Elias Magnus Fries (August 15, 1794 - February 8, 1878) was a Swedish botanist born at Femsjö in Smalandia. ... A boy from an East Cipinang trash dump slum in Jakarta, Indonesia shows his find. ... The Eiffel Tower has become a symbol of Paris throughout the world. ...