# Marie Killick

> English audio engineer who patented the truncated-tip sapphire stylus in 1945 for playing gramophone records

**Wikidata**: [Q48988](https://www.wikidata.org/wiki/Q48988)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Marie_Killick)  
**Source**: https://4ort.xyz/entity/marie-killick