Sudhansu Bimal Biswas was born in the Tateswar district of Noakhali, India, on 17 August 1933, the son of Kumar Aswini Biswas. Bimal was educated at Khandal School, Tateswar, and the medical school of the University of Calcutta. He won college scholarships in his last three years, along with the four gold medals for anatomy, surgery, obstetrics and pathology - a unique achievement. After qualifying, he completed junior posts in Calcutta, before deciding to come to England to specialise in surgery, pawning his gold medals to raise the fare. He held registrar posts in Tunbridge Wells, Leeds, Burnley and Blackpool. He met Margaret Draper, a midwife, in Burnley and they were married in 1967. After the birth of his son, Ronen, he moved into a general practice in Poulton le Fylde, in 1970. His wife died in 1984. He had many interests, including the Labour Party. He died on 7 March 2000 in Poulton le Fylde.