Transcript of The invention of a toaster. The invention of a toaster. All about toasters. The toaster changed society by giving people warm, crunchy bread. Toaster's today. Albert Marsh invented the toaster around 1905. Charles Strite invented the pop-up toaster in 1921. Toaster's from history. Charles Strite Albert Marsh During World War I, a master mechanic in a plant in Stillwater, Minnesota decided to do something about the burnt toast served in the company cafeteria.