He began mathematical research while still an undergraduate and his first paper, On the isoclinal lines of a differential equation of the first order was published in the Proceedings of The Royal Society of Edinburgh in 1903.
Siya ay nagsimulang matematiko pananaliksik habang ang isang undergraduate at ang kanyang unang papel, Sa ayseklainel linya ng isang equation ng mga kaugalian ang unang order ay nai-publish sa mga pamamaraan ng Ang Royal Society of Edinburgh in 1903.