Robert Hooke was an influential, experimental scientist in the 17th century. He studied all forms of science including astronomy, chemistry, biology, physics, geology and paleontology.
Hooke’s main discoveries in science came through the microscope. Hooke invented the compound microscope and utilized it to view insects, sponges, birds and many plants. He was the first scientist to observe plant cells and is credited with the discovery of these cells. Hooke also was the first scientist to observe fossils under a microscope. Robert Hooke is also known for his discoveries in physics. He devised Hooke’s Law, which is an equation that describes the elasticity of a spring.