Write a biographical essay on one of the physicists listed below. Your biography must include a description of the significant contribution to science made by the physicist you selected.

Nikola Tesla (1856-1943)

Among his contributions, Nikola Tesla is best known for creating and developing the first Alternating Current (AC) system.

Stephen Hawking (1942 – 2018)

Hawking is best known for proving the existence of black holes through his theoretical prediction that black holes emit radiation, often called Hawking radiation. In his work with Roger Penrose, he is also known for the set  of gravitational singularity theorems which supported Einstein’s theory of general relativity.

Galileo Galilei (1564-1642)

Galileo is known for his experiments and theories in the field of bodies in motion which demonstrated the relationship between astronomy and physics. His work in astronomy, mathematics, and physics and the combination of these sciences became instrumental in the study and understanding of the universe beyond us.