Ninni Kronberg

Maria Johanna (Ninni) Kronberg (1874–1946), was a Swedish physiologist in nutrition. Kronberg was employed at Rydsgårds mejeri. In 1933, Ninni Kronberg invented a better way of manufacturing Powdered milk. Her work was patented in several countries: in Sweden from 1937.
Early Life.
Born in Gävle in 1874, Ninni Kronberg never graduated from high school. At the age of 22, Ninni Kronberg married Erik Kronberg in 1896. In 1922 the Kronberg's marriage was falling apart and in 1925 they divorced. She then moved to live with a friend called Gudrun Juel-Westrup and her husband, the diplomat Wilhelm Westrup at the Rydsgård estate in Skåne. 
Career and Inventions.
At the Rydsgård estate, Ninni Kronberg was able to create a Practic yeast agent. Following the invention, Ninni Kronberg found a company together with the Westrups called AB Practic Comp Ltd which launched her product. After more research, Ninni Kronberg was awarded her first patent in 1927. She then developed a milk serum which was a big step towards her invention for long-lasting powered milk. 
In 1934 after tirelessly working for several years, Ninni Kronberg submitted a patent for a newer and better method for the production of longer-lasting powdered milk. In 1937, Ninni Kronberg was awarded 25,000 SEK (Swedish Krona) by the Swedish Ministry of Agriculture. 