Kandel, Eric R., M.D., Senior Investigator 511 
Columbia University College of Physicians and Surgeons 
Cell and Molecular Mechanisms of Learning 
Katz, Flora, Ph.D., Assistant Investigator 515 
University of Texas Southwestern Medical Center at Dallas 
Neurodevelopment in Drosophila 
Lerner, Michael R., M.D., Ph.D., Assistant Investigator 517 
Yale University School of Medicine 
Molecular Mechanisms Underlying Chemical Communication and Tissue-specific snRNPs 
Reed, Randall R., Ph.D., Associate Investigator 519 
The Johns Hopkins University School of Medicine 
Signal Transduction and Neurogenesis in the Olfactory System 
Reichardt, Louis F., Ph.D., Investigator 521 
University of California at San Francisco 
Extracellular Factors Affecting Neuron Development 
Rosenfeld, Michael G., M.D., Investigator 525 
University of California School of Medicine at San Diego 
Molecular Mechanisms of Developmental and Regulated Expression of Neuroendocrine Genes 
Rubin, Gerald M., Ph.D., Investigator 529 
University of California at Berkeley 
Development of the Drosophila Eye 
Schwartz, James H., M.D., Ph.D., Investigator 533 
Columbia University College of Physicians and Surgeons 
Second Messenger Mechanisms in Aplysia Neurons 
Siegelbaum, Steven A., Ph.D., Associate Investigator 537 
Columbia University College of Physicians and Surgeons 
Modulation of Neuronal Activity by Intracellular Messengers 
Smith, Stephen J., V\iJD., Associate Investigator 539 
Yale University School of Medicine 
The Biology of Synapses 
Stevens, Charles F., M.D., Ph.D., Investigator 543 
Yale University School of Medicine 
Probabilistic Function of Central Synapses 
Struhl, Gary, P\i.T>., Assistant Investigator 545 
Columbia University College of Physicians and Surgeons 
Body Patterning in Drosophila Embryos 
Siidho^ Thomas C, M.D., Associate Investigator 549 
University of Texas Southwestern Medical Center at Dallas 
Secretory Pathways in Neurons 
Swanson, Larry W., Ph.D., Investigator 553 
The Salk Institute for Biological Studies 
Neural Circuits and Behavior 
Yau, King-Wai, Ph.D., Investigator 555 
The Johns Hopkins University School of Medicine 
Visual Transduction in Retina 
Continued 
460 
