William Ogilvy Kermack FRS FRSE FRIC (26 April 1898 – 20 July 1970) was a Scottish biochemist.
He made mathematical studies of epidemic spread and established links between environmental factors and specified diseases.
He was born on 26 April 1898 at 36 South Street in Kirriemuir, the son of William Kermack, a postman, and his wife, Helen Eassie Ogilvy.
[2] His mother was placed in an asylum soon after his birth and died when he was six and he was raised by his father's sister Margaret Osler Kermack, wife of David Marnie, a blacksmith.
In 1922 collaborated with Nobel laureate in Chemistry, Sir Robert Robinson -it's uncertain if they actually met in person- on the development of "curly arrow", which is a graphical representation of electron direction during a chemical reaction.