Brian McLeod, Postdoctoral Fellow, University of Arizona. 

 "Evolution of Faint Field Galaxies," with John Huchra, 

 from October I, 1994 to September 30, 1995. 



Luca Moscadeli, Visiting Student, University of Bologna, 

 Italy. "VLBI Observations of Methanol Masers," with Karl 

 Menten, from November 8, 1993 to October 31, 1994. 



Joan Najita, Postdoctoral Fellow, Universiry of California, 

 Berkeley. "Development of the Theoretical Description of 

 the Origins of Energetic Collimated Winds from Stars and 

 the Observable Consequences in Young Stellar Objects, 

 Cataclysmic Variables, and Evolved Stars," with Mark 

 Reid, from October 15, 1994 to October 13, 1995. 



Nagayoshi Ohashi, Postdoctoral Fellow, Japan Society for the 

 Promotion of Sci.. "A Study of Submillimeter Wavelength 

 Interferometry and Submillimeter Array Antennas Under 

 Construction at Haystack Observatory," with Paul Ho, 

 from September I, 1994 to August 31, 1995. 



Eve Ostriker, Postdoctoral Fellow, University of California, 

 Berkeley. "Magentic and Gravitational Angular Momen- 

 tum Transfer in Young Star-Disk Systems," with Alastair 

 Cameron, from September 1, 1994 to August 31, 1995. 



Nimesh Patel, Visiting Scientist, University of Massachusetts. 

 "Research of Submillimeter Wavelength Interferometry," 

 with Paul Ho, from Sepcember I, 1994 to August 31, 1995. 



Irene Porro, Predoctoral Fellow, Universiry of Padona. "Tech- 

 nical Upgrading and Accurare Calibration of IOTA Within 

 a Program of Stellar Angular Diameter Measurements," 

 with Wesley Traub, from July I, 1994 to June 30, 1995. 



Matthias A. Rumitz, Visiting Student, Instit. of Physiology 

 of Prof. Mohnssen. "Electronic Subsyterns Associated with 

 the 1.7 Meter AST/RO Telescope," with Adair Lane, from 

 December 1, 1993 to April 30, 1995. 



Dimitar Sasselov, Postdoctoral Fellow, University of Toronto. 

 "Stellar Helium Abundances and the Quest for Yp," with 

 John Raymond, from October 1, 1993 to September 30, 1994. 



Paul Schechter, Visiting Scientist, Massachussetts Institute of 

 Technology. "Determination of Parameters Associated with 

 the Milky Way's Gravitational Potential Using Spectro- 

 scopic and Photometric Data," with John Huchra, from 

 September 1, 1994 to August 31, 1995. 



Jiang Shengtao, Visiting Scientist, Chinese Academy of Sci- 

 ences. "Research in the Configuration and General Princi- 

 ples of IOA Interferometer," with Robert Reasenberg, from 

 June 1, 1994 to May 31, 1995. 



lonel Simbotin, Predoctoral Fellow, Bucharest University. 

 "Research in Atomic and Molecular Radiative Processes of 

 Interest for Astrophysics," with Alexander Dalgarno, from 

 September 1, 1994 to August 31, 1995. 



Boris Smirnov, Visiting Scientist, Moscow Engineer-Physical 

 Inst., Moscow. "Collisions and Clusters," with Alexander 

 DaJgarno, from October I, 1993 to December 31, 1993. 



Richard Stoner, Visiting Scientist, Massachusetts Institute of 

 Technology. "Development and Scientific Application of 

 The Dual Nobel Gas Maser," with Ronald Walsworth, 

 from April I, 1994 to March 31, 1995. 



Mario Tafalla, Postdoctoral Fellow, University of California. 

 "Study of the Interaction of Young Stellar Objects (YSOs)," 

 with Phillip Myers, from October I, 1993 to September 30, 1993. 



Kit Yan N. Tan, Visiting Student, University of Connecticut. 

 "Development of New Type of Atomic Clock: The Laser- 

 Powered Rubidium Maser," with Ronald Walsworth, from 

 July I, 1994 to June 30, 1995. 



Steven L. Tomsovic, Visiting Scientist, Universiry of Washing- 

 ton. "Connections Between the Quantum Mechanical and 

 Classical Mechanical Worlds: The Theory of Semiclassical 

 Approximations," with Eric Heller, from November I, 1993 

 to June 15, 1994. 



Michael J. Travers, Visiting Scientist, University of Colorado. 

 "Millimeter- Wave and Microwave Spectroscopy of Molecu- 

 lar Interstellar Radicals," with Patrick Thaddeus, from Jan- 

 uary 3, 1994 to December 31, 1994. 



Hans Ungerechts, Visiting Scientist, University of 

 Massachussetts. "A CO Survey of the Giant Molecular 

 Clouds in Cassiopeia," with Patrick Thaddeus, from No- 

 vember I, 1993 to January 31, 1994. 



Zhong Wang, Postdoctoral Fellow, California Institute of 

 Technology. "Physics of Shocked or Tidally Disturbed Re- 

 gions of Molecular Gas, and their Relationship to Star For- 

 mation and Galactic Evolution," with Paul Ho, from 

 November 1, 1993 to October 31, 1995. 



David Wilner, Postdoctoral Fellow, University of California, 

 Berkeley. "High Resolution Studies of Massive Star Form- 

 ing Regions," with Mark Reid, from October 1, 1993 to Sep- 

 tember 30, 1995. 



Bo Wu, Predoctoral Fellow, University of Michigan. "Dual 

 Noble Gas Maser for use in a Precision Test of Time Rever- 

 sal Invanance," with Ronald Walsworth, from January I, 

 1994 to December 31, 1994. 



Li You, Postdoctoral Fellow, Universiry of Colorado. "Theoret- 

 ical Studies of Light-Matter Interaction Processes Involving 

 Spontaneous Emission," with Alexander Dalgarno, from 

 November I, 1993 to October 31, 1994. 



Ite Albett Yu, Visiting Scientist, Massachussetts Institute of 

 Technology. "Reseatch with the Maser Group at the 

 Smithsonian Astrophysical Observatory Using Cryogenic 

 Hydrogen Masers," with Ronald Walsworth, from Novem- 

 ber I, 1993 to October 31, 1994. 



Smithsonian Environmental Research 

 Center 



Anastazia Banaszak, SI Postdoctoral Fellow, University of Califor- 

 nia, Santa Barbara. "Effects of Ultraviolet Radiation on the 

 Photosynthesis of Phytoplankton in the Rhode River," with 

 Patrick Neale, from September 1, 1994 to August 31, 1995. 



Kelton Clark, SI Graduate Fellow, University of Maryland. 

 "Diurnal Variation in Refuge Habitat Value and Usage in 



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