Worlds Upon Worlds: An Illustrated Talk by Toby Lester

Lecture given by Toby Lester -- a longtime editor and writer for The Atlantic, and the author of The Fourth Part of the World (2009) -- about the Waldseemüller world map of 1507.

The 54-minute presentation discusses the history of world maps produced by Europe, the later influances of Ptolomy, and the historical and political aspects of maps before and after the creation of the Waldseemülle.