319 



Regular world day (n) 



Regular world day at new moon (10 ) 



Unusual meteoric activity 8. (but not world day) 



Regular world day with u nusual meteoric activity (w) 



Day of total ed ipse ml 



Adopted dy CSAGI, September 1966 



Figure 6. The IGY Calendar of Special Events. From: Sidney Chapman, "IGY: 

 Year of Discovery. The Story of the International Geophysical Year (Ann Arbor: 

 University of Michigan Press, 1959), p. 103. 



"gemutlichkeit" 



Much has been written about the spirit of cooperative good will that 

 existed among scientists during the IGY and which continued in large 

 measure thereafter. Dr. Joseph Kaplan, Chairman of the U.S. National 

 IGY Committee, observed that both the national and international 



Elanning for the IGY were marked by a spirit of "objectivity and 

 armony." M Wallace W. Atwood, Jr., then Director of the Office of 



*• Testimony In NSF-NAS Hearing*: IGY Report, p. 6. 



96-525 O - 77 - vol. 1-22 



