William and Elizebeth Friedman were a husband-and-wife team who were amongst the very first US government cryptographers.

Their careers started just before the US entered World War One in 1917, and continued through and beyond World War Two.

William died in 1969; Elizebeth (apparently, her mother liked the name Elizabeth but but not Eliza, and chose the unusual spelling to prevent unwanted abbreviations) in 1980.

William was an army Colonel, so their joint tombstone is in the Arlington National Cemetery, just across the river from Washington DC, the capital of the United States.

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