National Institute of Standards and Technology · chairWalter Copan

valid_from

2017-10-01

valid_to

2021-01-01

confidence

0.85

superseded_by

clm_F916A41DAFFB · James Olthoff

first seen

2026-10-27

last updated

2026-10-27

Sources

• https://www.nist.gov/director/pao/directors-national-bureau-standards-1901-1988-and-national-institute-standards-andsecondary · nist.gov
• https://www.wikidata.org/wiki/Q176691secondary · wikidata.org

Supersedes

• Patrick D. Gallagher2008-09-01 to 2014-06-01 · clm_6373F0B79C0C

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