טובים באנגלית אפשר שתגידו לי אם יש טעויות ואם הניסוח הוא טוב?

Stephen was an English theoretical phisicist and outhor. He born in January 1942 and died at 14 march 2018. In 1963 he fell ill in ALS- a disease that causes paralysis the body but does not damage the brain.