we met historian susan rosenval for a tour. >> the space behind me was last renovated in 1910 and starts right here at this landing all of this stairwell and bannister that you see here were the original bannisters and steps for when clara barton was here, so i'm really walking exactly on the same stairs with my hand on the same rail that clara barton did for that eight-year period of time when she lived here in the building. just recently the general services administration got in touch with my museum, the national museum of civil war medicine, and we together proposed a partnership to make this space a museum so people everywhere could enjoy the historical significance of this and hopefully learn about humanitarianism and the importance of public service. so, the building was originally scheduled for demolition. it was owned by gsa. they did end up selling it with a perpetual easement for the entire third floor which was miss barton's space, and half of the first floor where we hope to put in a welcome center and have educational programs. the gsa felt pretty strongly about this and we