THE FRIDAY BLUEBOOK: 08/25/17: ANSWER A

Your answer: Niels Bohr 

Niels Bohr was a physicist, but his contributions to the field involved understanding atomic structure and quantum theory, not gravitational waves. 

THE FRIDAY BLUEBOOK: 08/25/17: ANSWER B

Your answer: Albert Einstein 

Nice work you Einstein! Albert Einstein’s 1915 general theory of relativity was confirmed after scientists observed gravitational waves for the first time in 2016. Learn more about the awesome discovery here

THE FRIDAY BLUEBOOK: 08/25/17: ANSWER C

Your answer: Stephen Hawking 

Not quite. While Stephen Hawking is a theoretical physicist, cosmologist and author, he did not have a prediction about gravitational waves.