This item contains the signature and some biographical information of Axel Laurids Reyn (b.1872-d.1935) a physician born in Vienna, Austria. Dr. Reyn spent his career on the staff of the Finsen Institue in Copenhagen. He was a physician, dermatologist and medical researcher. He reported a method of bringing nascent iodine into contact with the tissues of the body, for the treatment of lupus or skin tuberculosis. He is known for the Finsen-Reyn Lamp. Dr. Reyn co-authored: Light converging apparatus, between 1900 and 1909) with Prof. N.R. Finsen. See: Axel Reyn, M. D. Obituary, British Medical Journal, May 18, 1935, p.1055. [PMC2460477]: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2460477/ -- This signature was collected by David S. Light, M.D. as part of the Light collection of scientific letters. The collection was donated to the Rudolph Matas Library of the Health Sciences between 1993 and 2003. David S. Light, M.D. (alumnus, Tulane University School of Medicine, 1944)