His father, Jawad Husain, was a tehsildar, posted at Mohanlalganj in Lucknow district, and his mother was Tayyabunnisa Begun.
After graduation, he joined the Department of Anatomy as a demonstrator in the year 1958 and worked till early 1963 while completing his post-graduation as well.
In 1965, he traveled to Germany under the German Academic Exchange Service (DAAD) programme where he learned electron microscopy techniques, and studied gerontology under Paul Glees at the University of Göttingen.
He also served as the dean of students' welfare of Aligarh Muslim University, besides being the president of cricket and football Clubs.
He was a member of the Expert Committee appointed by the Government of India to draft the National Education Policy for Health Sciences, which was headed by Prof. J.S.
[2] Hasan collaborated with colleagues from manifold disciplines like physiology, pharmacology, neurochemistry, pathology, neurology, radiology, otorhinolaryngology, and neurosurgery to study problems of national relevance such as environmental pollution, pesticide neurotoxicity, heavy metal neurotoxicity and hydrocephalus.