Correct option is D
The correct answer is (d) Stephen Hawking
Explanation:
The book "A Brief History of Time" was written by Stephen Hawking and published in 1988.
It explains complex topics in cosmology, such as the Big Bang, black holes, time travel, and quantum mechanics, in a way that is accessible to the general public.
The book became a bestseller and made Hawking a globally recognized scientist.
Information Booster:
Hawking’s Contribution:
Black Hole Theory & Hawking Radiation
- In 1974, he proposed that black holes emit radiation, now known as Hawking Radiation.
- This challenged the idea that nothing can escape from a black hole.
2. The Big Bang and Singularity Theorem
- Worked with Roger Penrose to prove that the universe originated from a singularity (supporting the Big Bang Theory).
3. No-Boundary Proposal
- Suggested that the universe had no boundary or beginning, but instead, space and time are finite but without edges.
4. Unified Theory of Physics
- Worked on the quest for a Theory of Everything, aiming to unify quantum mechanics and general relativity.
Others Boo:
The Universe in a Nutshell (2001) – Expanded on his theories.
The Grand Design (2010) – Explored the origins of the universe without the necessity of a divine creator.
Additional Knowledge:
- Satyendranath Bose: An Indian physicist known for his work on Bose-Einstein statistics.
- J.V. Narlikar: An Indian astrophysicist, known for his work on the Steady-State Theory of the Universe.
- C.V. Raman: Discovered the Raman Effect, for which he won the Nobel Prize in Physics (1930).