Here are the key details provided in the question:
- Y was 16 years old when Subhash Chandra Bose visited Rangoon (now Yangon, Myanmar) during World War II.
- Rangoon was visited by Bose at the height of World War II.
- Bose made important visits and had key meetings in Rangoon during WWII to garner support for the Indian independence movement.
Putting this together, the person being referred to is Aung San, the Burmese independence activist and leader who was instrumental in Burma (now Myanmar) gaining independence from Britain. He was just 16 years old when Subhash Chandra Bose visited Rangoon during WWII.