I grew up on a farm. A pig farm. Between getting home from school and eating dinner, I had chores to do, in the pig barns. I usually came back from chores wi

I grew up on a farm. A pig farm. Between getting home from school and eating dinner, I had chores to do, in the pig barns. I usually came back from chores with pig shit all over my hands. If I hadn't had soap to wash my hands before biting into my hamburger, I probably would have invented it. Considering it wasn't that long ago (historically) that virtually all of the worlds population was agrarian, I suspect being dirty was a fairly strong motivation for the invention of soap.