Editor, Allen J. Johnson; associate editor, George H. Auth. editor, Robert C. Weast ; associate editor, Melvin J. Astle. edited by Harold A. Bolz ; Associate editor: George E. Hagemann. editor, James Vinson ; associate editor, D. L. Kirkpatrick. editor, James Vinson ; associate editor, D.L. Kirkpatrick. editor-in-chief, Wang Jianjun ; associate editor, Gao Chengyun, Li Jing. editors-in-chief, Samuel Kotz, Norman L. Johnson ; associate editor, Campbell B. Read.