tasting beverage that was a mixture of herbs and roots blended with seltzer. It became popular after Robert Lazenby, a Waco chemist, duplicated the drink and called it Dr. Pepper's Phos-Ferrates. The drink became popular in the southwestern states after being introduced in the 1904 St. Louis World's Fair. One account involves a boy-pines-for-girl version involving Dr. Pepper's daughter Ruth. It remains uncertain, however, which, if any, of these tales is the true origin of the name. References Sources External links Picture of Pepper's daughter Ruth 1830 births 1903 deaths 19th-century American physicians University of Virginia School of Medicine alumni Confederate States Army surgeons People from Page County, Virginia People from Rural Retreat, Virginia People of Virginia in the American Civil War Keurig Dr Pepper people Physicians from Virginia American Presbyterians