The mechanics of retention: introduction to chromatography theory; the control of chromatographic retention and selectivity (the Plate theory); the distribution coefficient and its control of solute retention; the theory of mixed phases in chromatography; programming techniques; extensions of the Plate theory. The mechanics of dispersion: the dynamics of peak dispersion; the rate theory equations; extra-column dispersion; exeprimental validation of the Van Deemter equation; the measurement of solute diffusivity and molecular weight; chromatography column design; chromatography column design - the design of open tubular columns for GC.