'Amar Shonar Bangla' the national anthem of Bangladesh was composed by whom?

Rabindranath Tagore was a great Bengali Poet. He played important role in development of modern literature. He is titled as 'Guru dev'. He win noble prizes for "Gitanjali" in 1913. He also composed the song "JAN GAN MAN" (National Anthem of India) and "AMAR SONAR BANGLA" (National Anthem of Bangladesh).