It’s 1843, and your son has a fever. It’s been getting worse for days, and you know he needs help. So, you get on your horse, pull him up and start riding. After miles and miles, you finally reach the only doctor in the county in a desperate attempt to get care for your child. This story would be exactly the same if it were told in 212 B.C., 873, 1564 and even well into the 1900s.