Solve these clues to fill the grid.
- Italian astronomer and mathematician who was the first to use a telescope to study the stars
- 5 Across
- French philosopher and writer born in Switzerland
- 8 Across
- English scientist who formulated the law of elasticity and proposed a wave theory of light
- 9 Across
- 3rd President of the United States
- 10 Across
- French political philosopher who advocated the separation of executive and legislative and judicial
- 13 Across
- United States writer
- 14 Across
- English physician and scientist who described the circulation of the blood
- 1 Down
- French philosopher and mathematician
- 2 Down
- French writer who was the embodiment of 18th century Enlightenment
- 3 Down
- Back and sides of a hog salted and dried or smoked
- 4 Down
- Polish astronomer who produced a workable model of the solar system with the sun in the center
- 6 Down
- English mathematician and physicist
- 7 Down
- English empiricist philosopher who believed that all knowledge is derived from sensory experience
- 11 Down
- Englishman and Quaker who founded the colony of ___
- 12 Down