l.d. roedick who was the associate curator -- actually, the head curator of the schaumberg library in new york city who edited books that were commemorated the slave era. but what you didn't see was a real historical wrestling with and engagement with what the heritage of slavery meant to african-americans today. this was going to come later in relation to black communities in the new york and also in chicago in the form of a kind of black power-oriented approach to knowledge, in the form of emerging fields of black studies, in the form of revisionist approaches to slavery. but in 1940 it was, in a sense, a kind of history that dare not speak its name. and because of that one learns, as one often does from history, seeing what it is that people don't say that reveals something about who they are as much as what it is that they do say. >> ad a. green -- adam green, who is on the cover of your book, "selling the race"? >> it's a disc jockey, and this is actually a picture that wayne miller, the photographer who supplied me with most of the photographs that i used in my book, and i would be