Angel began his service as a federal employee in 1932, and joined the National Archives after it was established in 1936.

Over the course of a career spanning more than three decades, Angel advanced to the position of Deputy Archivist of the United States.

[1] Following his retirement in the late 1960s, Angel also played a prominent role in the development of the records grant program of the National Historic Publications Commission.

[2] During his service he was active in the archives community, and served as president of the Society of American Archivists from 1966 to 1967.

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