Dame Kathleen Mary Ollerenshaw , née Timpson , DBE ( 1 October 1912 -- 10 August 2014 ) was a British mathematician and politician who was Lord Mayor of Manchester from 1975 to 1976 and an advisor on educational matters to Margaret Thatcher 's government in the 1980s .
Dame Kathleen Mary Ollerenshaw , née Timpson , DBE ( 1 October 1912 -- 10 August 2014 ) was a British mathematician and politician . She was Lord Mayor of Manchester from 1975 to 1976 and an advisor on educational matters to Margaret Thatcher 's government in the 1980s .