Prof. Stephen william Hawking will remember for work on Black hole and the origin of the Universe. To under stand his theory we need more 50 years. At age of 20, he pursued a PhD at Cambridge University.
At 21, he was diagnosed with Lou Gehrig’s disease and at age of 43 he permanently lost the ability to speak. then he started using computer synthesizer for voice communication, In visit to India he awarded the first Sarojini Damodarn Fellowship by the Tata Institute of Fundamental Research.
Arun Mehta is an Indian software developer and disability activist. At the request of Stephen Hawking (age 63), He, along with Vickram Crishna Developed custom made software for him that could predict what he wanted to type. It is free and open source software named eLocutor.
eLocutor was designed for Prof. Hawking to allow him to Type, Speak, and Command the computer. Their ability to communicate with the world hinges on software that allows them to efficiently enter text into a computer and have it spoken for them, only through the operation of this single button.
