Stephen Hawking contributed to the understanding of gravity, black holes, and cosmology.
Charles Darwin created the theory of evolution that states that all living organisms are related to a common ancestor, from which they descend.
Thomas Alba Edison invented the first electrical system that supplied energy through virtual networks for lighting.
Isaac Newton was the first to show that the natural laws that govern the motion on Earth and those that govern the motion of celestial bodies.
Alexander Graham Bell was a renowned scientist who had important contributions to telecommunications such as making the first long distance call.
Galileo Galilei formulated the first law of motion.