Felix Hausdorff (1868 - 1942).- Frederic Riesz' Contributions to the Foundations of General Topology.- The Contributions of L. Vietoris and H. Tietze to the Foundations of General Topology.- Some Aspects of the Work and Influence of R. L. Moore.- The Works of Bronislaw Knaster (1893-1980) in Continuum Theory.- Witold Hurewicz - Life and Work.- The Early Work of F. B. Jones.- The Beginning of Topology in the United States and the Moore School.- Some Topologists of the 1940s.- Miroslav Kat?tov (1918 - 1995).- Origins of Dimension Theory.- General Topology, in Particular Dimension Theory, in The Netherlands: the Decisive Influence of Brouwer's Intuitionism.- The Flowering of General Topology in Japan.- Rings of Continuous Functions in the 1950s.- Categorical Topology - its Origins, as exemplified by the Unfolding of the Theory of Topological Reflections and Coreflections before 1971.- History of Sequential Convergence Spaces.- Interaction between General Topology and Functional Analysis.