i am karen holmes ward. welcome to "cityline." the nation celebrates the life of dr. martin luther king, junior, and we recall some of his sayings that illustrate the social justice movements in history and education. there comes a time when one must take a position that is neither safe nor politic nor popular, conscience tells him it is right. that quote from dr. martin luther king, junior, could have been voiced a century earlier by another leader who was at the forefront of the admit to abolish slavery, frederick douglass. in an illustrated biography, most photographed americans, the others examine frederick douglass' use of the van new medium of photography to break down stereotypes of african-americans. harvard professor of african american studies john stoffer joins us in the studios today. welcome. how are you? first of all, funny to think that frederick douglass was the most photographed person of his time am even more than abraham lincoln? >> more than ligon, grant, custard, walt whitman, more than any of his peers, which 19th century america, his influence,