SECRETARY'S REPORT 93 



attended a COSPAR meeting in Florence, Italy. Drs. Fireman, 

 McCrosky, and Kiggs held a meeting with the director of the Amer- 

 ican Meteorite Musemn in New York. The Director and Mr. Izsak 

 met with the Space Science Board in New York City. Mr. Izsak, 

 with Dr. Kozai and Mr. Rolff, participated in the Space Age Geodesy 

 Symposium at Columbus, Ohio. 



Dr. Davis held consultations with scientists at the University of 

 Wisconsin on the Orbiting Astronomical Observatory. Dr. Riggs 

 attended the Pittsburgh Diffraction Conference and participated in 

 an A.S.T.M. panel meeting on electron probe microanalysis. The 

 Director, Dr. Veis, and Mr. Izsak attended the 12th assembly of 

 the International Union of Geodesy and Geophysics in Helsinki in 

 July. Dr. Hynek visited South Dakota in connection with unmanned 

 balloon flights. Dr. Lautman, Dr. Kozai, and Mr. Nigman attended 

 the Yale Summer Institute in New Haven. Drs. Whipple, Davis, 

 Jacchia, and Wliitney participated in the symposium on Aeronomy 

 sponsored by the International Association of Geomagnetism and 

 Aeronomy at Copenhagen in July. 



Dr. Whitney attended the I.A.U. symposium in Varenna, Italy, 

 August 1960, where he presented a paper prepared jointly with Dr. 

 P. Ledoux on present-day knowledge of the gas dynamics of variable 

 stars. Dr. Whitney also presented, at the International Meetings of 

 Aeronomers in Copenhagen, July 1960, a survey of methods of deriv- 

 ing atmospheric densities from satellite accelerations. 



The Director served as president of the Tenth Astrophysical Sym- 

 posium on Far Ultraviolet Spectra of Astronomical Bodies at the 

 University of Liege, Belgium. As president of the Subcommission 

 22a, the Director prepared and submitted a world-wide meteoritical 

 report to Commission 22 of the International Astronomical Union. 

 The objective, to further international research in the field of meteor- 

 ites, was forwarded by literature in the area and contributions from 

 other members of the Committee. The Director also acted as con- 

 sultant to the Scientific Advisory Board of the U.S. Air Force during 

 the year as well as to the Committee on Science and Astronautics of 

 the House of Representatives. 



STAFF CHANCES 



The following scientists joined the staff: Dr. Leo Goldberg, 

 solar astrophysics; Drs. Giuseppe Colombo, Yusuke Hagihara, and 

 George Veis, research and analysis, satellite-tracking program; Drs. 

 Richard B. South worth, David Tilles, and John A. Wood, meteoritical 

 studies; Dr. Om P. Rustgi, Celescope. 



Dr. J. Allen Hynek resigned as associate director to become director 

 of the Dearborn Observatory, Northwestern University. 



Kenneth H. Drummond resigned as assistant director (manage- 

 ment), to accept a similar position at the University of California, 



