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 introd
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)
