Stephen Hawking is a theoretical physicist and cosmologist. Hawking suffers from ALS, which caused him to lose his voice. He communicates via a computer that generates speech.
Hawking radiation is a type of radiation theoretically emitted by black holes. It was named after Stephen Hawking, who first theorized it's existance.
There is a main belt asteroid named 7672 Hawking, in honor of Stephen Hawking.
Robert Hawking was a student at Hogwarts in the Harry Potter and the Prisoner of Azkaban video game.
In Star Trek, two different shuttlecraft were named Hawking after Stephen Hawking.
Hawking Technology is a company that manufactures Wi-fi hardware.
Hawking fits in well with the current surname trend, and can be shortened to the very cool nickname, "Hawk". It doesn't appear in the Social Security Administration's name database, but the name Hawk was given to 33 boys in 2012. For parents in love with the sound of Hawk... why not add a few letters for a more brainy formal name?