Corrections
JAN 01, 2006
DOI: 10.1063/1.2180162
October 2005, page 54 —In the photograph, the man identified as Doyle Northrup is Carl Romney, who was then an assistant technical director in charge of the geophysics division at the Air Force Technical Applications Center.
November 2005, page 33 —The Leiden Observatory, mentioned in the caption for figure 1, is located in the Netherlands.
© 2006. American Institute of Physics
