Categories Alternative histories Chemist Annie MacLeod becomes the first woman to earn a PhD at McGill. Post author By Marc Cataford Post date August 31, 2016 No Comments on Chemist Annie MacLeod becomes the first woman to earn a PhD at McGill. ← Harriet Brooks is the first woman to earn a Masters at McGill, and goes on to be a leading nuclear physicist. → Canadian Prime Minister and McGill Law alumnus, Sir Wilfrid Laurier, passes into law a provision banning Black people from entering the country.