21. One was the cult's chief chemist . 22. Leung Sze-chung, the Government Laboratory's chief chemist , said the laboratory had not yet received samples from the pathologists. 23. As a result he drew the attention of the DuPont Company in 1902 and was appointed Chief Chemist . 24. He worked as chief chemist for the Hegeman Company, the Riker-Hegeman Company, and the Louis K . Liggett Company. 25. His father was a chief chemist at Agricultural Experiment Station in New York and was seeking for a chemist there. 26. She started her working life at the Sierra Leone Petroleum Refinery where she rose to the position of Chief Chemist . 27. The superintendent of the new plant was Henry Vallez, who had been chief chemist at the Utah Sugar plant in Lehi. 28. He was the chief chemist involved in the production of tetraethyllead, a gasoline additive, at DuPont's Chambers Works from 1939 to 1952. 29. But not just any wax, says Garret Kaess, chief chemist for Haggerty Enterprises, which refers to itself as " Lava World ." 30. Robert Prentice, chief chemist for the Harper business in the 1960s, plans to reintroduce Harper's Original Regular Hair Tonic within a year.