Alfred M. Beck received his M.A. and Ph.D. degrees from Georgetown University. He has held several research and supervisory positions in the U.S. Army Center of Military History and the Historical Division, Office of the Chief of Engineers. Abe Bortz received his Ph.D. degree from Harvard University in 1951. After working for twelve years for the Historical Division, Office of the Chief of Engineers, he has served since 1963 as the historian of the Social Security Administration, Baltimore, Maryland. He is the author of Social Security Sources in Federal Records. Charles W. Lynch received his