The Heyday of Yeast: World War I
During the war, the burgeoning international trade of the late 19th and early 20th century dissipated to the point that many nations had to look internally for their basic needs. Yeast, an all important ingredient in the bread and beer that western civilization relies on, was a focal point of this supply chain disruption. The story of yeast in World War I was everywhere a story of culinary ingenuity and homegrown innovation.