# โรเบิร์ต_ฮุก
## Noun (N)
### Sense: English scientist who formulated the law of elasticity and proposed a wave theory of light and formulated a theory of planetary motion and proposed the inverse square law of gravitational attraction and discovered the cellular structure of cork and introduced the term `cell' into biology and invented a balance spring for watches (1635-1703)
- Hooke
- Robert Hooke