M. A. B. Beg
| Mirza Abdul Baqi Bég | |
|---|---|
| Born | 20 September 1934 Etawah, Uttar Pradesh, India | 
| Died | 30 January 1990 (aged 55) New York City, US | 
| Resting place | New York City, US | 
| Citizenship | Pakistani: Fwd.xiii | 
| Alma mater | University of Sindh University of Karachi Pittsburgh University | 
| Known for | SU(6) theory and Quark model | 
| Scientific career | |
| Fields | Theoretical physics | 
| Institutions | Rockefeller University Brookhaven National Laboratory Pakistan Atomic Energy Commission Quaid-i-Azam University | 
| Thesis | Annihilation of positrons in an electron gas with application to metals (1958) | 
| Doctoral advisor | Philip M. Stehle | 
Mirza Abdul Baqi Bég (20 September 1934 – 30 January 1990), also known as MAB Bég or Baqi Bég, was a Pakistani theoretical physicist and a professor of physics at the Rockefeller University whose contributions were vital in string theory and particle physics. He is credited mainly with his role in laying down the theoretical foundations of the quark theory as well as development of the SU(6) model.