1. Senior scientist, Research Planning Institute, Inc., 925 Gervais Street, Columbia, South Carolina 29201.
2. Senior research scientist, Energy Resources Company, Cambridge, Massachusetts 02138 (Battelle Laboratories, Duxbury, Massachusetts 02332).
3. Research scientist, Centre Oceanologique de Bretagne, 29273 Brest Cedex, France.
4. Professor of biology, University of Louisville, Louisville, Kentucky 40292.
5. Associate professor of microbiology, Montana State University, Bozeman 59717.
6. Director of operational programs, National Oceanic and Atmospheric Administration, Office of Oceans Assessment Division, Rockville, Maryland 20852.