They quickly became firm friends and Talbot's interests turned more towards the study of light. David Brewster, the Scottish physicist, was also experimenting with light at this time and he published a number of Talbot's articles.
Sila ay mabilis na naging matatag kaibigan at Talbot ng interes gagawing mas patungo sa pag-aaral ng mga ilaw. David Brewster, ang Scottish pisisista, ay din eksperimento sa ilaw sa oras na ito at siya nai-publish ng isang numero ng Talbot's articles.