From left, Shirley Ann Jackson, vice chair of the Smithsonian Board of Regents; Chief Justice of the United States and Smithsonian Chancellor John G. Roberts; David J Skorton, 13th Secretary of the Smithsonian Institution; John W. McCarter, Jr., chair of the Smithsonian Board of Regents; and David M. Rubenstein, Smithsonian Board of Regents at the installation of the 13th Secretary Oct. 19. 2015.