Rearrange the following sentences to make a coherent order. (i) He uses his computer to carry out research work as well as deliver lectures. (ii) As a scientist, his reputation soared higher and higher. (iii) As a result, he gradually started losing control over the muscles of his body. (iv) He was born in an educated family in 1942. (v) Now, he is confined to the wheel chair with no power to control his body except for some limited movement of his head and hands only. (vi) Stephen is still a relentless worker. (vii) Stephen Hawking is considered the greatest physicist after Einstein. (viii) But fate followed with less rewarding things. (ix) But such a tremendous physical handicap could not slow him down. (x) Stephen became a victim of Gehrig's disease.