Sophie Julie Glandon (née Haas) (12 November 1977 - 24 August 2003) was a Canadian Muggle-born witch and Muggle Studies Professor who attended Ilvermorny School of Witchcraft and Wizardry from 1989 to 1996, where she was Sorted into Thunderbird. She was the daughter and only child of Jake and Miranda Haas (née Nelson), both being Muggle doctors who operated out of a private practice in London, Ontario. She was a gifted student with a passion for academics and was the favourite student of many teachers at school.