Sukumar Ray is indeed the author of Kumro Potash (The Pumpkin and the Potato), a beloved collection of Bengali nonsense verse and rhymes published in 1923. He was the father of filmmaker Satyajit Ray. Bankim Chandra wrote serious novels like Anandamath, Satyajit Ray was primarily a filmmaker though he also wrote, and Annada Shankar Ray was a different poet-writer.