Image: https://cdn.whensthebirthday.com/gallery/2017/1/prafulla-chandra-ray/prafulla-chandra-1.jpg
Prafulla Chandra Ray
professions.scientist de Bangladesh
Image: https://cdn.whensthebirthday.com/gallery/2017/1/prafulla-chandra-ray/prafulla-chandra-1.jpg
professions.scientist de Bangladesh