Iqbal was born on 23 December 1952 in Karachi,Pakistan.”Who’s Who in Bangladesh 2000 give his place of birth as Mymensingh. Website online-dhaka says it was Sylhet. His father, Faizur Rahman Ahmed, was a police officer who was killed in the Liberation War of Bangladesh. His mother was Ayesha Akhter Khatun. He spent his childhood in different parts of Bangladesh because of the transferring nature of his father’s job. His elder brother was the writer and filmmaker Humayun Ahmed.His younger brother, Ahsan Habib, is a cartoonist who is serving as the editor of the satirical magazine, Unmad (Mad). He has three sisters – Sufia Haider, Momtaz Shahid and Rukhsana Ahmed.