tubman's torch to the obamas, down the alley, prince, muhammad ali, chuck brown, donnie simpson and russ parrd.c. based rapper, wal lay. and you'll also find jim vance, marion barry, dave chappell and dick gregory. >> the artist came up with the vision and we had from the list, there were quite a few others we would have loved to make the wall. >> then i thought to change you guys will be very excited to see the story unfold. >> reporter: and like art, even the process is open to interpretation. the process itself can and does inspire. >> what i see in the african american man that is doing the portrait, really brings it home. to even our young people, to know that nothing is impossible. >> and while it's impossible to get all the notable figures onto one wall, there's room for expansion, right? >> maybe there is. we'll see. >> reporter: now this wall is still a work in progress. it will be another couple of weeks before it's done. the color will be added, as well as other figures, eleanor holmes norton and taraji p. henson. they'll be added. and in a couple of weeks when the wall is unveiled