This invention revolutionized transportation by allowing people to travel quickly and efficiently over long distances. The train was first introduced in the early 19th century and has since become an integral part of the transportation infrastructure in many countries around the world. The train has allowed people to travel to places they would otherwise
From Wikipedia
The invention of the telephone was the culmination of work done by many different people, and led to an array of lawsuits relating to the conflicting patent claims made by several individuals and numerous companies. Notable people included in this process were Antonio Meucci, Philipp Reis, Elisha Gray and Alexander Graham Bell.