How to Check on Your Federal Tax Refund. For anyone wanting to check the status of their tax refund, simply go to the IRS's Where's my refund webpage where you'll find an easy to use tool to request the information. If you would rather check the refund status by phone, you may call 1-800-829-1954.
His books include the bestselling Black Holes and Baby Universes and Other Essays, The Universe in a Nutshell, and A Briefer History of Time. His most recent book, The Grand Design, was a Sunday Times bestseller. Stephen Hawking is regarded as one of the most brilliant theoretical physicists since Einstein.
Stephen Hawking is known for his significant contributions to the field of Quantum physics, particularly his theories regarding theoretical cosmology, Quantum gravity, black holes, and his popular works in which he discusses his own theories and cosmology in general.