THE AUTHORS
John H. Woodburn teaches chemistry at Walter Johnson High School in Rockville, Md. In the past he taught at Michigan State University, Illinois State Normal University, and Johns Hopkins University. He received his A.B. from Marietta College, his M.A. from Ohio State University, and his Ph. D. from Michigan State University. He is the author of the book Radioisotopes (J. P. Lippincott 1962), which is a student’s introduction to this subject.
Frederick W. Lengemann is associate professor of radiation biology at New York State Veterinary College, Cornell University. He received his B.S. and M.N.S. from Cornell and his Ph. D. from the University of Wisconsin. He has been research associate in radiation biology and assistant professor of chemistry at the University of Tennessee and formerly was a biochemist with the Atomic Energy Commission, Division of Biology and Medicine.