How did the soft drink Dr. Pepper get its name?

In Virginia in the 1880s, Wade Morrison, a pharmacist’s assistant, wanted to marry his boss’s daughter. But her father considered Morrison too old for her and asked him to move on.

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After Morrison had settled down and opened his own drugstore in Waco, Texas, one of his employees came up with a new soft drink idea, which Morrison developed and named after the man who gave him his start in the drug business: his old girlfriend’s father, Dr. Kenneth Pepper.