Sternberg, Paul W., Ph.D., Associate Investigator 266 
California Institute of Technology 
Molecular Genetics of Nematode Development and Behavior 
Sukhatme, Vikas P., M.D., Ph.D., Assistant Investigator 268 
The University of Chicago 
Transcription Factors in Cell Growth and Kidney Differentiation 
Taub, Rebecca A., M.D., Associate Investigator 270 
University of Pennsylvania School of Medicine 
The Hepatic Growth Response 
Thummel, Carl S., Ph.D., Assistant Investigator 272 
University of Utah School of Medicine 
The Molecular Basis of Metamorphosis in Drosophila 
Tilghman, Shirley M., Ph.D., Investigator 274 
Princeton University 
Molecular Genetic Analysis of Early Development 
Tjian, Robert, Ph.D., Investigator 276 
University of California, Berkeley 
Mechanism of Transcriptional Regulation in Animal Cells 
Valle, David L., M.D., Investigator 278 
The Johns Hopkins University School of Medicine 
Genetic Defects in the Metabolic Pathways Interconnecting the Urea and 
Tricarboxylic Acid Cycles 
Warren, Stephen T., Ph.D., Associate Investigator 280 
Emory University School of Medicine 
Genetic Diseases of the Human X Chromosome 
Weintraub, Harold M., M.D., Ph.D., Investigator 283 
Fred Hutchinson Cancer Research Center, Seattle 
The MyoD Gene Family: A Nodal Point During Specification of Muscle Cell Lineage 
White, Raymond L., Ph.D., Investigator 284 
University of Utah School of Medicine 
Characterization of Newly Isolated Disease Genes 
Williams, David A., M.D., Assistant Investigator 287 
Indiana University School of Medicine, Indianapolis 
Molecular Hematopoiesis 
Woo, Savio L. C, Ph.D., Investigator 289 
Baylor College of Medicine 
Molecular Genetics and Gene Therapy for Metabolic Disorders 
Young, Michael W., Ph.D., Investigator 291 
The Rockefeller University 
Molecular Genetic Studies of Behavior and Development in Drosophila 
GENETICS 133 
