This brings us to 1933 when Cleo was at a meeting with Kroger grocery store representatives when they asked him if he made wallpaper cleaner. Wallpaper cleaner was a hot commodity as, at the time, coal was the leading way to heat one’s home, being much more efficient and cheaper than wood. This had the negative side effect of leaving a layer of soot everywhere that was difficult to clean off of wallpaper as you couldn’t get it wet. (This was before vinyl wallpaper.)