Since we “fell back” to Standard Time this past weekend, Boston has been forced to adjust to 4:30 sunsets. To help us understand why the sun sets so early in Boston in the winter and what we could do about it, we’re going to replay a classic episode about how the idea of time zones and standard time was born in Boston, with the help of the Harvard Observatory. And because we’re talking about the observatory, we have to share the story of the women who worked as human computers at the Harvard Observatory.
Continue reading Harvard Harnesses the Heavens (episode 158)

We’re joined this week by Yale history professor Mark Peterson to talk about his new book The City State of Boston: The Rise and Fall of an Atlantic Power, 1630-1865. In the interview, Professor Peterson will tell us why he believes that, from its settlement a century and a half before the US Constitutional government was founded until the end of the US Civil War, Boston had a political, economic, and social identity completely independent from the rest of what is now the United States. He’ll also tell us surprising stories about money in early Boston, a French-born British army officer who embodied Boston’s relationship with Acadia, and what it meant for Boston to be a slave society where the enslaved people were kept out of sight.