[2] He was born on 4 March 1918 to the aristocratic Kazi family of Rajapur in Boalmari, Faridpur district, Bengal Presidency.
His father, Kazi Abdur Rashid, was a moulvi and his mother, Begum Syedunnesa, was a housewife.
He received international acclaim for developing Monsur's Media for the isolation of cholera and the President's "Pride of Performance" medal (Science) in 1966.
[6] He set up the first intravenous fluid plant in Bangladesh while Director of the Institute of Public Health, 1961–1972.
He stepped down from the board of trustees of ICDDR’B in protest against the sidelining of Bangladesh's national interests.