He was born on 7 March 1938 in Amroha, India, and was brought up in Karachi, Pakistan. He died on 9 January 2013 at Karachi, Pakistan. His family had migrated to Pakistan in 1948. He received his early education at Christian Mission School in Karachi. Then he went on to receive his master's degree in English literature from the University of Karachi in 1962. He was able to use English, French, Persian, Punjabi, Sindhi, Seraiki and Urdu languages. Muhammad Ali Siddiqui completed his D.Litt degree in Pakistan Studies in 2003 after doing his PhD in the same subject in 1992. He worked at the Pakistan Studies Center of the University of Karachi. Muhammad Ali Siddiqui was a member of many national and international organisations such as: Pakistan Writers Guild, Pakistan, Association Des Litteraire Critiques International, Paris, European Union of Writers and Scientists, Rome, International Association of Literary Critics, Stavanger, Norway, Majlis-i-Farough-i-Urdu Adab, Doha, Qatar. Ali Siddiqui was a prominent Urdu language critic. He was also the Dean of the Faculty of Management and Social Sciences, Institute of Business and Technology, Karachi. He also served as Dean, Faculty of Education & Social Sciences at Hamdard University, Karachi for six years. He taught at Karachi University for a number of years. He served as the Director of Quaid-e-Azam Academy for six years and was the President of Progressive Writers Association in 2013 at the time of his death. Ali Siddiqui had penned more than 100 research articles. He has 16 books to his credit, two of them Tawazun and Croce ki Sarguzasht, were adjudged as the 'Best Books of the Years' in 1976 and 1979 respectively. He used to write for the business journal Business Recorder and he wrote a column for the Dawn newspaper under the pen name Ariel for over two decades. He had delivered lectures in many overseas universities such as the School of Oriental & American StudiesLondon University, Carlton University, Canada, the University of Toronto, Canada, Oslo University, Norway. His importance as a critic has been applauded by the critics of Urdu language like Majnun Gorakhpuri, Akhtar Hussain Raipuri, Professor Mumtaz Husain, Professor Mujtaba Husain, Dr. Ali Jawwad Zaidi, Dr. Wazir Agha etc. Among the creative writers, Faiz Ahmed Faiz regarded him as the only creative critic from Pakistan, the others being Dr. Narang, Dr. Zoe Ansari & Dr. Qamar Rais from India. Journalist Khalid Ahmed wrote:
Books
Tawazun
Croce Ki Sarguzasht
Nishanat
Pakistaniat, Edited with Dr. H.M.Jafri
Mazameem
Isharye
Quaid-i-Azam: A Chronology – Published by Quaid-i-Azam Academy, Karachi
Quaid-i-Azam: A Chronology – Published by Quaid-i-Azam Academy, Karachi
Quaid-i-Azam: Speeches – Published by Quaid-i-Azam Academy, Karachi
Quaid-i-Azam: Urdu Adibon Ki Nazar Mein – Published by Quaid-i-Azam Academy, Karachi
Zikr-i-Quaid-i-Azam – Published by Quaid-i-Azam Academy, Karachi