Description: Dr. Dawn V. Rogala, Paintings Conservator at the Smithsonian Museum Conservation Institute, analyzes and documents modern artists' materials to facilitate better understanding and preservation of modern paintings at the Smithsonian and affiliated museums. #Groundbreaker
Description: [edan-image:id=siris_arc_392292,size=800,center]Dr. John Thomas, Jr., M.D. was a renowned clinician, epidemiologist, and research scholar who taught at Meharry Medical College for more than half century. When this photograph was made, he had just been appointed Research Collaborator at Brookhaven National Laboratory, where he was engaged in a study of the precursors of