N. K. Fairbank - Wikipedia
Nathaniel Kellogg 'N.K.' Fairbank (1829–1903) was a Chicago industrialist whose company, the N.K. Fairbank Co., manufactured soap as well as animal and baking products in conjunction with the major meat packing houses of northern Illinois.The company had factories in Chicago, St. Louis, Montreal and Louisiana and had international offices in the United Kingdom and Germany.