Dr. John Hepp https://www.wdiy.org/tags/dr-john-hepp Dr. John Hepp en-US Copyright Thu, 28 May 2026 19:34:15 GMT The 1876 Philadelphia World's Fair with Dr. John Hepp | Perspectives https://www.wdiy.org/podcast/perspectives/2026-05-28/the-1876-philadelphia-worlds-fair-with-dr-john-hepp-perspectives John Pearce explores the 1876 Philadelphia Centennial Exposition with Dr. John Hepp, who shares what made the event unique from other great World's Fairs. Thu, 28 May 2026 19:34:15 GMT https://www.wdiy.org/podcast/perspectives/2026-05-28/the-1876-philadelphia-worlds-fair-with-dr-john-hepp-perspectives John Pearce The 1876 Philadelphia World's Fair with Dr. John Hepp | Perspectives https://www.wdiy.org/show/perspectives/2026-05-28/the-1876-philadelphia-worlds-fair-with-dr-john-hepp-perspectives John Pearce explores the 1876 Philadelphia Centennial Exposition with Dr. John Hepp, who shares what made the event unique from other great World's Fairs. Thu, 28 May 2026 19:33:31 GMT https://www.wdiy.org/show/perspectives/2026-05-28/the-1876-philadelphia-worlds-fair-with-dr-john-hepp-perspectives John Pearce