21. Soddy 's hexlet is a three-dimensional generalization of a Steiner chain of six circles.22. Soddy uses actual occurring examples to demonstrate what he considers a major flaw of prevailing economic theory.23. It's their fourth time, hooking up with sister Linda Metz of Soddy Daisy, Tenn. 24. The State Park's professional crew for trail construction and maintenance is based in Soddy -Daisy. 25. Rutherford and Soddy were observing natural transmutation as a part of radioactive decay of the alpha decay type. 26. The field of radioanalytical chemistry was originally developed by Marie Curie with contributions by Ernest Rutherford and Frederick Soddy . 27. Hitchins worked with Soddy over a period of 15 years, which included his most productive periods of achievement. 28. The second theory is that Soddy was named for William Sodder, who ran a trading post in the city. 29. Soddy -Daisy was home to Hamilton County's first courthouse and government seat, Poe's Tavern.30. Poe's Tavern, built in 1819, was the home of Soddy -Daisy resident, Hasten Poe.