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Dear Mr. Grayson,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and located 2 series related to Classification 116 (Department of Energy, Applicant) Case Files and 3 series related to Classification 117 (Atomic Energy Act) Files for the 1940s in the Records of the Federal Bureau of Investigation (FBI) (Record Group 65) that may contain the intelligence summary you are seeking. The FBI’s case file Classification 116: Atomic Energy Act - Applicant and Classification 117: Atomic Energy Act - Criminal in Record Group 65 were both established in 1946; however, there may be some earlier records in these series. These records have not been digitized. Please contact the National Archives at College Park - Textual Reference (RDT2) at email@example.com for assistance with these and similar records. More information about Classes of FBI Records in the National Archives is located on NARA’s website.
Next, we located 7 series related to Oak Ridge in the 1940s in the Records of the Atomic Energy Commission (AEC) (Record Group 326) and 3 series related to Oak Ridge in the 1940s in the General Records of the Department of Energy (DOE) (Record Group 434) that might contain some relevant information. These records have not been digitized. Please contact RDT2 for access to and information about these records.
Plus, we located the series Personnel Related Files, ca. 1943-1974, the series Official Files, 1944-1966, and the series Correspondence, 1943-1948 in Record Group 326 for the Oak Ridge Operations Office that may be of interest to you. These records have not been digitized. Please contact the National Archives at Atlanta (RE-AT) at firstname.lastname@example.org for more information about these and similar records.
Finally, we located the series Subject Files, 1941-1972, the series General Records, 1933-1965, and the series Director's Records, 1938-1973 in Record Group 326 for the University of California, Berkeley’s Radiation Laboratory that may be useful for your research. These records have not been digitized. Please contact the National Archives at San Francisco (RW-SB) at email@example.com for assistance with these records.
Finally, if you have not done so already, we suggest that you request a copy of your grandfather’s Official Personnel File (OPF). OPFs and medical information for individuals who worked for the U.S. government in a civilian capacity before 1952 are in the custody of the National Archives at St. Louis (RL-SL). Please email RL-SL via email at firstname.lastname@example.org and include the full name used during Federal employment, date of birth, Social Security Number (if applicable), name and location of the employing Federal agency, beginning and ending dates of Federal Service. For more information, please check the Official Personnel Folders (OPF), Archival Holdings and Access website.
Due to the continued impact of COVID-19, you may experience a delay in receiving an initial acknowledgment as well as a substantive response to your reference request from RDT2, RE-AT, RW-SB, and RL-SL. We apologize for this inconvenience and appreciate your understanding and patience as we balance mission-critical work and the safety of our staff during the pandemic. Please check NARA’s web page about COVID-19 updates for the latest information.
We hope this is helpful. Best of luck with your family research!
Thank you Rachael!!!!