charts and then you have the general idea of kind of a hospital fourth part of the world, and what walledseemuller and his colleagues did was stitch it together into this really, really cool map! [laughter]. >> so, thank you very much. [applause]. >> i often wondered why this -- vespuchi is on the right overlooking the old world and we have the other side, ptolomei -- why are they super imposed at the top? >> i'm not sure i understand, why are they -- >> why, why wouldn't you put ptolomei on this right-hand side to correspond with what is down in his part of the world, and then move walledsseemuller over so he's over the americas. >> well, vespuchi is overlooking the americas, and i guess he is on the left looking that way, because, to have him... everybody familiar with this kind of map would have been familiar with maps that began on the left with europe and africa, our idea now that the new world is over on the left, on the bottom here, is a denver way of doing it. and one of walledsseemuller's collaborators in one of his poems, talks about looking down at the world and seeing the new place on