Edison Rival is a term used to refer to Nikola Tesla, a Serbian-American inventor and electrical engineer. Tesla was a rival of Thomas Edison, another famous inventor. Tesla is best known for his contributions to the design of the modern alternating current electricity supply system. He also made important discoveries in the field of electromagnetism and wireless communication. Tesla's name is often associated with the five-letter word 'Tesla'. Additionally, his full name is eleven letters long: 'Nikola Tesla'.