Amar Bose Who Recently Died was Known for his Work on
Option 1 is the right answer.
Amar Gopal Bose was an Indian American academic and entrepreneur. An electrical engineer and sound engineer, he was a professor at the Massachusetts Institute of Technology for over 45 years. He was also the founder and chairman of Bose Corporation.
Amar Bose is famous in radios matured into full-fledged intellectual involvement in sound technology and audio experience.