LOS ALAMOS HISTORY
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Development of the Atomic Bomb

The Gadget is suspended by tackle at the top of the tower. Norris Bradbury (left) and an unidentified Project employee stand behind the Gadget. Los Alamos Historical Society Photo Archives, LANL Collection, TR Series.
Los Alamos Historical Society Photo Archives, LANL Collection, TR Series.

The Trinity Test

What was it like to witness this secret test? Click here to learn more.
November 23, 1945 memorial service at the Urakami Immaculate Conception Cathedral in Nagasaki. Photo published by the Nagasaki City Office.
Photo published by the Nagasaki City Office.

The Atomic Bombings of Hiroshima and Nagasaki

What atomic legacies do we live with today? Click here to learn more.
This web page is supported, in part, by the National Endowment for the Humanities and the New Mexico Humanities Council. 
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The Los Alamos Historical Society preserves, promotes, and communicates the remarkable history and inspiring stories of Los Alamos and its people for our community, for the global audience, and for future generations. 
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  • Home
  • About Us
    • Learn / Research >
      • Information For Teachers
      • Teachers and Caregivers
      • Adult Resources >
        • National History Day
        • Homestead Driving Tour
        • History at Home
        • Pioneering Women in Los Alamos >
          • Archives and Collections Technician
        • Development of the Atomic Bomb
        • Links and Resources
    • Careers/Jobs
    • Who We Are
    • Contact
  • Museum Campus
  • Programs
    • Upcoming Events
    • Lecture Series
    • Spring 2023 Tour to Trinity
    • History Award
    • Los Alamos / Japan Project
    • Volunteer Training
  • Donate
    • Membership
    • Donate to Projects
    • Legacy Society
    • Collections Donations
    • Donate Your Time- Volunteer
  • History Blog
  • Shop
    • Books
    • Museum >
      • Plan Your Visit
      • Tours
      • Oppenheimer House
      • Exhibits >
        • Online and Temporary Exhibits
      • Victory Garden
      • Explore Los Alamos
      • Archive >
        • About the Archive
        • Research Appointments
        • Inside the Archives
        • Share Your Stories
        • COVID-19 Collecting
    • Children's Books & Gifts
    • Apparel
    • Gifts