In 1692 Gregory was made a fellow of Balliol College and was awarded a degree from Oxford for a thesis on optics which he based on the lectures he had given in Edinburgh.
Sa 1692 Gregory ay ginawa ng isang tao ng Balliol College at noon ay iginawad ng isang degree mula sa Oxford para sa isang sanaysay sa optika na kung saan siya base sa lektura niya na ibinigay sa Edinburgh.