Abstract This collection contains the papers of Dr. Robert D. Lange, M. D., in the field of hematology. The bulk of the materials date from the 1960s through the 1990s. Materials include numerous slides, correspondence, publications, research materials, and more from his work with the National Aeronautics and Space Administration (NASA), the University of Tennessee Medical Research Center and Hospital (UTMRCH), Oak Ridge Associated Universities and Oak Ridge National Laboratories (ORAU/ORNL), and...