Stephen hawking a biography paperback writers
Stephen hawking a biography paperback writers
Stephen hawking a biography paperback writers summary.
How does Stephen Hawking speak and write?
Most of us are no stranger to Professor Stephen Hawking’s prolific and impressive career.
The physicist and cosmologist, who has motor neurone disease which severely limits his motion, has managed to write dozens of books and give lectures and speeches on a global stage, despite his physical deterioration.
The disease is a rare, early-onset, slow-progressing form of amyotrophic lateral sclerosis (ALS) that has gradually paralysed him and continues to advance.
Hawking, 75, now communicates using a single cheek muscle which he tenses to send a signal to an attached computer.
He lost his ability to speak in 1985 when he caught pneumonia on a trip to CERN, in Geneva, but was still able to communicate for some years afterwards using a hand-held clicker that spelled out words.
As his nerves degraded further, he became unable to use his thumbs and by 2008, he could no longer use the clicker.
Now, he is able to communicate usi