It was Christmas morning 1951, and 11-year-old Edge Farley was scampering around the dairy barn, helping his mother and uncle finish the morning chores of milking their 52 cows.
Starting each morning at 4 a.m., they didn’t eat breakfast — or celebrate Christmas — until all the cows were milked, the barn was clean, and the milk was safely stored in five- and 10-gallon cans in the walk-in cooling roo…