Introduction. Waclaw Sierpinski (1882-1969) - His Life and Work in Topology; R. Engelking. The Works of Stefan Mazurkiewicz in Topology; R. Pol. Kazimierz Kuratowski (1896-1980) - His Life and Work in Topology; R. Engelking. R.H. Bing's Human and Mathematical Vitality; M. Starbird. From Developments to Developable Spaces; S.D. Shore. A History of Generalized Metrizable Spaces; R.E. Hodel. The Historical Development of Uniform, Proximal, and Nearness Concepts in Topology; H.L. Bentley, et al. Hausdorff Compactifications: A Retrospective; R.E. Chandler, G.D. Faulkner. Minimal Hausdorff Spaces - Then and Now; J.R. Porter, R.M. Stephenson, Jr. A History of Results on Orderability and Suborderability; S. Purisch. History of Continuum Theory; J.J. Charatonik. Why I Study the History of Mathematics; D.E. Cameron. The Alexandroff-Sorgenfrey Line; D.E. Cameron. The Flowering of General Topology in Japan - Correction; J. Nagata. Index.