A fifty-year perspective on chemistry in water / Ronald Breslow -- Structure and properties of water / Jan B.F.N. Engberts -- Acid catalysis in water / Chikako Ogawa and Shū Kobayashi -- Metal-mediated CC bond formations in aqueous media / Chao-Jun Li -- Pericyclic reactions in aqueous media / Francesco Fringuelli [and others] -- Catalyzed reductions in aqueous media / T.V. Rajanbabu and Seunghoon Shin -- Oxidations / Roger A. Sheldon -- Nucleophilic additions and substitutions in water / Denis Sinou -- Reactions in nearcritical water / C.L. Liotta [and others] -- Biocatalysis in water / Kaoru Nakamura and Tomoko Matsuda -- Chemistry 'on water' : organic synthesis in aqueous suspension / Sridhar Narayan, Valery V. Fokin and K. Barry Sharpless -- Water as a reaction solvent : an industry perspective / Ernst Wiebus and Boy Cornils