Margaret Olwen MacMillan, (born December 23, 1943) is a Canadian historian and professor at the University of Oxford. She is former provost of Trinity College, Toronto, and professor of history at the University of Toronto and previously at Ryerson University (now Toronto Metropolitan University). MacMillan is an expert on history and international relations.

MacMillan was the 2018 Reith lecturer, giving five lectures across the globe on the theme of war under the title The Mark of Cain, the tour taking in London, York, Beirut, Belfast, and Ottawa.

Family

Margaret MacMillan was born to Dr Robert Laidlaw MacMillan and Eluned Carey Evans on December 23, 1943. Her maternal grandfather was Major Sir Thomas J. Carey Evans of the Indian Medical Service. The senior Evans served as personal physician to Rufus Isaacs, 1st Marquess of Reading, during the latter's term as Viceroy of India (1921–26)…Read more on Wikipedia