Photo credit: Unknown author — File:Virtanen.jpg (Wikimedia Commons) · CC BY 4.0
Artturi Ilmari Virtanen
1895–1973 · Finland · Born in the 1800s
Nobel Chemistry 1945
Finnish biochemist whose fodder-preservation method transformed northern agriculture; Finland's only chemistry laureate.
Nobel Prize work
Honoured for his research and inventions in agricultural and nutrition chemistry, especially the AIV fodder preservation method. By acidifying green fodder to inhibit decay while keeping nutrients and vitamins, his technique let livestock be fed well through harsh winters.