Eos is carrying biographies and photographs of all candidates for President-Elect of the Union and for President-Elect and Secretary of each section. In addition, statements by the candidates for Union and Section Presidents-Elect will appear. The materials for the Hydrology Section appear below. The material for the Planetology Section appeared in the September 8 issue, that for the Geodesy Section in the September 15 issue, that for the Volcanology, Geochemistry, and Petrology Section and that for the Atmospheric Sciences Section in the September 22 issue, that for the Seismology and Ocean Sciences sections in the September 29 issue, and that for the Geomagnetism and Paleomagnetism and the Solar-Planetary Relationships sections in the October 6 issue. The slate of candidates for all offices appeared in Eos on June 16, 1987.