Amyotrophic Lateral Sclerosis

Stephen Hawking

Description

Amyotrophic lateral sclerosis (ALS), also known as motor neurone disease, is a progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord, which leads to muscular atrophy.

Stephen Hawking's disability

Stephen Hawking, born on 8 January 1942, is an English theoretical physicist and cosmologist.
He is one of those who suffer from ALS. The diagnosis came when he was 21. Hawking had experienced increasing clumsiness during his final year at Oxford, including a fall on some stairs and difficulties in speaking and writing. After that he became paralysed.
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Despite he is incapable of speaking, he can not only communicate via a computer program, but also he can continue his public lectures and his research into theoretical physics.