Jethro was a character on The Beverly Hillbillies…he was played by Max Baer.
Jethro with the ‘educated’ one in the family of Hillbillies and was always demonstrating his knowledge and sophistication on the show. Whether it was his math skills in doing “Guzintas”…..2 goes into 4 twice, 10 goes into 20…twice; or demonstrating how to properly answer a phone: “Smedly, Bacon and Barnes…how may I help you.”
His steel trap mind was ready with the proper information at a moment’s notice, and this is not unlike a well-trained and vastly experienced doctor. There is no need to consult a textbook or computer….you just know from what you’ve learned and experienced.
Jethro, strangely, was a hero of mine as a child. Although his playbook was a bit hair-brained, the idea that you can know what to do in most any situation, well that is something a practicing physical still aspires to.