Lighthouse Keeper Records Prison Riot at Alcatraz

Harry Davis became keeper of Alcatraz Lighthouse, marking the entrance to San Francisco Bay, in 1938. I was recently copying his logs in the National Archives as part of a research project for the U.S. Lighthouse Society. Davis’s log followed the two-page-for-every-month format, devoting one or two lines to each day’s weather and activities. He and his three assistants spent most of their time maintaining the property and the two fog signals. Then the format changed for May 1946 with a narrative written across two pages: May 2: 1430 hrs. Convicts on the loose with submachine gun, entire prison held at bay. Shooting …

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