Death of Artturi Ilmari Virtanen (Finnish chemist, Nobel laureate), November 11. Artturi Ilmari Virtanen was a prominent Finnish chemist who received the Nobel Prize in Chemistry in 1945 for his research in agricultural chemistry and food preservation. Born in 1895 in Finland, Virtanen dedicated much of his career to developing innovative methods for preserving agricultural products. His most significant achievement was the development of the silage method, which allowed farmers to store fodder for longer periods while maintaining its quality. Virtanen also contributed extensively to improving the quality and shelf life of milk and dairy products, introducing techniques that reduced spoilage and enhanced food safety. These innovations had a substantial impact on the agricultural and food industries in Finland and beyond. As the director of the Finnish Institute of Technology, he played a key role in advancing scientific research in his country. Virtanen passed away on November 11, 1973, marking a significant moment in the history of Finnish science. His legacy has been honored in subsequent years by the scientific community and Finnish universities. This event was designated in the Gregorian calendar of 1973 due to Virtanen's scientific significance and the global impact of his achievements.
