The plaintiff, a farmer living by the side of a public highway, went to the assistance of the defendant's truck driver whose truck was mired on the highway. The driver had been instructed to get help. While pulling out the truck with a tractor the plaintiff was injured. Held, the plaintiff was an employee of the defendant, and as such his remedies under the Workmen's Compensation Act were exclusive. Johnson v. Wisconsin Lumber and Supply Co. (Wis. 1931) 234 N.W. 5o6.