# Source: National Inventors Hall of Fame — H. Tracy Hall

**Type:** source
**Status:** Useful
**Confidence:** High
**Source Type:** Official Website
**URL:** https://www.invent.org/inductees/h-tracy-hall
**Publisher:** National Inventors Hall of Fame
**Accessed:** 2026-06-19
**Updated:** 2026-06-19

## Summary

The National Inventors Hall of Fame inductee profile for H. Tracy Hall, published by the nonprofit organization that administers the Hall of Fame in partnership with the USPTO. Establishes Hall's induction status and recognizes his invention of the Belt apparatus and the first reproducible synthetic diamond synthesis.

## Useful Claims

- H. Tracy Hall was inducted into the National Inventors Hall of Fame.
- Hall invented the Belt apparatus, the high-pressure device used to produce the first reproducible synthetic diamonds at General Electric.
- The synthesis achievement at GE is attributed to Hall's apparatus design.
- Hall later moved to BYU and continued high-pressure research.

## Reliability Notes

The NIHF is an authoritative secondary source for confirming induction and the associated invention attribution. It is a curated institutional record rather than a primary document, so precise dates and technical details should be cross-checked against primary sources (patents, GE records).

## Related Pages

- [H. Tracy Hall's Diamond Presses](h-tracy-hall-diamond-presses.md)