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In celebration of America’s 250th anniversary, The 52 Weeks of Firsts Podcast uncovers the “firsts” that helped shape the nation—each one rooted in Philadelphia’s remarkable history. Each week, our host sits down with a special guest to explore one groundbreaking first, from the first professional basketball league and the nation’s first zoo, to the first public showing of a motion picture and beyond. Short, lively, and packed with fascinating stories, every episode connects these historic milestones to the present, showing how Philadelphia’s innovations continue to shape our everyday lives.

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Host Marisa Magnatta is joined by Lynn Heidelbaugh, Curator at the Smithsonian National Postal Museum, to chat about the origins of America’s postal system through the story of its first Postmaster General, Benjamin Franklin. Together, they unpack how early postal innovations changed the flow of information, why that shift made those in power uneasy, and what it reveals about the way we communicate today.

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