He created two of the most famous characters in Feluda the sleuth , and Professor Shanku the scientist .
Satyajit Ray ( 1921 -- 1992 ) , a Bengali film director from India , is well known for his contributions to Bengali literature .
Satyajit Ray created two of the most famous characters in Feluda the sleuth , and Professor Shanku the scientist .
Satyajit Ray ( 1921 -- 1992 ) , a Bengali film director from India , is well known for his contributions to Bengali literature .