Margaret talks with Anney Reese about how a group of people made polio vaccines and ended polio but how one guy took all the credit and ruined our understanding of history.

Part Three: Peter the Painter and the Latvian Revolution of 1905
27:42

Part Two: Peter the Painter and the Latvian Revolution of 1905
1:00:45

Part One: Peter the Painter and the Latvian Revolution of 1905
1:17:18