Neil deGrasse Tyson (1958-) is an American astrophysicist, author and science communicator. In 1996, he became the director of Hayden Planetarium. 'On Earth as in The Heavens' is an essay by Neil deGrasse Tyson published in the " Natural History" magazine in 2000. Here he talks about the universality of Physical laws that are applicable both in Earth and everywhere in the universe. He has effectively used the theories of Isaac Newton and Albert Einstein to establish his arguments.