Who is the greatest of them all? Harrison D. Horblit, Harvard Class of 1933 : introduction / Roger E. Stoddard -- "What would I want with photography? I'm collecting history of science!" : recalling Harrison Horblit / Hans P. Kraus, Jr. -- "Splendid calotypes" : Henry Talbot, Amelia Guppy, Sir Thomas Phillipps, and photographs on paper / Larry J. Schaaf -- Regard of mundane miracles : the daguerreotype collection of Harrison D. Horblit / Grant B. Romer -- Merriman album / John Szarkowski -- Roman views / Andrew Szegedy-Maszak -- "Gymnastics of the soul" : the clinical aesthetics of Duchenne de Boulogne / Robert Sobieszek.