# Frank Twyman

> British designer of optical instruments (1876–1959)

**Wikidata**: [Q18671217](https://www.wikidata.org/wiki/Q18671217)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Frank_Twyman)  
**Source**: https://4ort.xyz/entity/frank-twyman


## References

1. IdRef
2. [Source](https://pubs.acs.org/doi/abs/10.1021/cen-v014n019.p390)
3. Virtual International Authority File
4. CiNii Research
5. [Source](https://archive.org/details/sim_optical-society-of-america-journal_1959-08_49_8/page/834/mode/2up?q=twyman&view=theater)
6. Oxford Dictionary of National Biography
7. CONOR.SI