edit by Gordon H. Mills and John A. Walter edit by Alpheus W. Smith and John N. Cooper edit by Alton L. Raygor and Robin D. Raygor edit by Frits Zernike and John E. Midwinter Gordon H.Mills, John A. Walter edit by Gordon James and Adalbert Kerber edit by Joan M. Saslow and John E. Mongillo edit by Patricia K. Wermer and John P. Nelson edit by Brian Abbs and John Clegg edit by C. T. Onions and B. D. H. Miller