• 1951: After graduating from Sommerville College, Oxford, she went on to undertake research in mathematics.
• 1960: Her husband was appointed to a diplomatic post in Burma (now Myanmar), and she became a Mathematics lecturer at Rangoon (Yangon) University .
• 1964: Gerry Warner was moved to the British Embassy in Warsaw, Poland, and Mary registered to study for a doctorate there.
• Mary was the first wife of a diplomat to obtain a doctorate in a foreign country and to work full time as well as support her husband’s diplomatic work.
• 1968: She became a lecturer in mathematics at City, University of London.
• 1974: She moved to Malaysia with her husband and was appointed to the post of lecturer at both the Malaysian and Chinese universities in Kuala Lumpur.
• 1983: She established an MSc course at City, University of London and was promoted to the post of Reader.
• Mary was awarded a Chair in mathematics at City, University of London and she continued to publish extensively.
• 1996: Mary retired.
• Mary Warner made a significant contribution to the development of an important branch of mathematics known as ‘fuzzy mathematics’.