Sankar P. Tarafdar, Visiting Scientist, University of Calcutta, India. 

 Interstellar chemistry with A. Dalsarno, DeDart-nent of Theoretical 

 Astrophysics, from August 27 to September 30, 1986. 



Hans Ungerechts, Visiting Scientist, Bonn University, Germany. CO Survey of 

 the molecular clouds in Perseus, Taurus, and Auriga with Patrick 

 Thaddeus , Department of Radio and Geoastronomy, from August 15 to 

 December 31, 1986. 



P. Venkatakrishnan, Visiting Scientist, Bangalore University, India. The 

 physics of solar magnetic flux-tubes; long baseline optical inter - 

 f erometrv with R.W. Noves and Peter Nisenson, Department of Solar and 

 Stellar Physics, from September 1 to September 30, 1986. 



Ira Wasserman, Visiting Scientist, Cornell University. Elementary particle 



phvsics with George Rybicki, Department of Theoretical Astrophysics, from 

 April 1 to June 15, 1986. 



Frank Wilczek, Regents Fellow, University of California, Santa Barbara, 

 with Irwin Shapiro, Director, and staff, from June 15 to August 15, 

 1986; June 15 to August 15, 1987; and June 15 to August 15, 1988. 



Andrzej Zdziarski, Visiting Scientist, Harvard University. Model of Gamma 

 rav burst sources based on repeated Compton scatterings with Alan 

 Lightman, Department of Theoretical Astrophysics, from May 15 to August 

 15, 1986. 



SMITHSONIAN ENVIRONMENTAL RESEARCH CENTER 



Hilton Biggs, Visiting Scientist, Purdue Universitv. Renovation of a UVB 

 instrument with Bernard Goldberg and John Sager, Rockville, from June 

 16 to July 4, 1986. 



Josef Grabowski , Visiting Scientist, Poznan Technical University, Poland. 

 Atmospheric pressure effect on photosvntheti c energy transfer with 

 Elisabeth Gantt, Rockville, from June 1 to November 30, 1986. 



Geoffrey Holmes, Visiting Scientist, University of Cambridge, England. 

 Far-red enchancement of stomatal aperture and photosynthesis under 

 simulated natural conditions with William Klein, Rockville, from 

 October 12 to October 26, 1986 



Jitendra Khurana, Postdoctoral Fellow, Delhi Universitv, India. Physiology 

 of flowering of the duckweeds with Charles Cleland, Rockville, from 

 October 1, 1985 to September 30, 1986. 



Mamoru Mimuro, Visiting Scientist, National Institute for Basic Biology, 

 Okazaki , Jaoan. Chemical modification of energy transfer in 

 photosynthetic antennae with Elisabeth Gantt, Rockville, from August 

 16 to September 6, 1986. 



- 



