. >> yes, rebecca immortalized henrietta, she was a block away from-- in jordan's alley a block away from where the muse family lived on 10 1/2 street. remarkable that these-- i think every place has remarkable stories. and in this tiny place, they're very different stories. >> very-- very similar, but different. >> yeah, well, the facts in the story that you wrote are so few and far between that photographic evidence and research played an important role. >> yeah. >> and at what point in the process did you realize that they would be so vital ap how did you use them? >> there was a circus historian that i was interviewing named dick flint and he reminded me that the circus managers would often change their names and the brothers were very-- they called darwin's missing link, the ambassadors from mars. the sheepheaded men, the ecuadorean savages, they were never called george and willy muse. if i got in a data base, i could type in eko and iko and it wouldn't bring up the other names. i had to be cognizant of that and also, the photographs themselves just became a great reporting too