Struhl, Gary, Ph.D., Associate Investigator 442 
Columbia University College of Physicians and Surgeons 
Cell and Body Patterning in Drosophila 
Siidhof, Thomas C, M.D., Investigator 444 
University of Texas Southwestern Medical Center at Dallas 
Structure and Function of the Presynaptic Nerve Terminal 
Tsien, Roger Y., Ph.D., Investigator 446 
University of California, San Diego 
Molecular Engineering Applied to Intracellular Signal Transduction 
Yau, King-Wai, Ph.D., Investigator 448 
The Johns Hopkins University School of Medicine 
Visual Transduction in Retina 
Ziff, Edward B., Ph.D., Investigator 449 
New York University Medical Center 
Regulation of Cell Activity by Transmembrane Signals 
Zipursky, S. Lawrence, Ph.D., Associate Investigator 451 
University of California, Los Angeles 
Molecular Genetics of Visual System Development in Drosophila 
Zuker, Charles S., Ph.D., Associate Investigator 453 
University of California, San Diego 
Molecular Genetics of Sensory Transduction in Drosophila 
NEUROSCIENCE 375 
