Ellen Henrietta Richards

3 December 1842 – 30 March 1911

An industrial and environmental chemist in the United States during the 19th century. Her pioneering work in sanitary engineering, and experimental research in domestic science, laid a foundation for the new science of home economics (Wikipedia).

• The chemistry of cooking and cleaning
• The cost of living
• Air, water and food from a sanitary standpoint
• Air, water and food from a sanitary standpoint
• Air, water, and food from a sanitary standpoint
• Air, water, and food from a sanitary standpoint
• Air, water, and food from a sanitary standpoint
• Conservation by sanitation
• Conservation by Sanitation: Air and Water Supply; Disposal of Waste ..
• Domestic economy as a factor in public education
• Domestic economy as a factor in public education
• Euthenics, the science of controllable environment