In particular John Playfair, then professor of natural philosophy at Edinburgh, encouraged her and through him she began a correspondence with William Wallace (Playfair 's former pupil) who was then professor of mathematics at the Royal Military College at Great Marlow.
Sa mga partikular na John Playfair, pagkatapos ay propesor ng likas na pilosopiya at Edinburgh, hinihikayat niya at sa kanya siya nagsimula sa pamamagitan ng isang sulat sa William Wallace (Playfair 's dating mag-aaral) na pagkatapos ay propesor ng matematika sa Royal Military College at Great Marlow.