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John E. Harper

Director at NL INDUSTRIES INC (NYSE: NL)

https://registry.alpha.ac/people/john-e-harper-nl

JE

Generated 2026-10-19T23:08:19.079Z

Data as of 2026-10-19T23:08:18.777992+00:00

https://registry.alpha.ac/people/john-e-harper-nl