Dalton was himself President of the Lit. and Phil. for 28 years. Among the many guests present was Steve Howe who, soberly dressed in period Quaker costume, impersonated John Dalton. The first part of ...

John Dalton and the Rise of Modern Chemistry. By Sir Henry E. Roscoe Century Science Series. Pp. 212. (London: Cassell and Company, Ltd., 1895.) ...

Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.