# โอลิเวอร์_เฮวีไซด์
## Noun (N)
### Sense: English physicist and electrical engineer who helped develop telegraphic and telephonic communications; in 1902 (independent of A. E. Kennelly) he suggested the existence of an atmospheric layer that reflects radio waves back to earth (1850-1925)
- Heaviside
- Oliver Heaviside