National Professor Dr Nurul Islam passed away last night at the age of 85.
He breathed his last at LabAid Hospital in the capital around 9:00pm.
An educationist, medical scientist, social worker and researcher, Prof Nurul had been suffering from various old age complications.
The veteran physician fell sick at his Gulmeher residence at Central Road around 4:30pm and was admitted to LabAid Hospital around 6:30pm, said MA Quasem, a nephew of Nurul Islam.
He left behind two daughters and a son. His wife Anwara Islam died on December 9 last year.
The acclaimed medical researcher, who was the personal physician of Bangabandhu Sheikh Mujibur Rahman, was born on April 1, 1928, at Patia in Chittagong.
In his lifetime he served as the director and professor of IPGMR, founding dean of postgraduate medicine department at Dhaka University, founder president and vice-chancellor of University of Science & Technology in Chittagong.
He has to his credit over 100 publications on health and drugs in international journals and over 100 articles on anti-tobacco movement only published in national and international dailies and journals.
Prof Islam has been awarded many medals and commemorative certificates, including President's Gold Medal (1963), Gold Medalâ€"Bangladesh Academy of Sciences (1982), Bangla Academy Award (2003) and Marie Curie Award for Medical Science (2006).
His body would be taken to Bangabandhu Sheikh Mujib Medical University where his first namaz-e-janaza would be held around 11:00am today. His second janaza would take place at Baitul Mukarram National Mosque after juma prayers.
His body would be flown to Chittagong for burial on the USTC campus in the afternoon, said his nephew.