Thomas Cuthbert Day

Thomas Cuthbert Day FRSE EGS FCS (1852–1935) was a British chemist, photo-engraver and geologist.

He was the joint founder of the firm Hislop & Day who made major advances in the reproduction of photographs in printed books.

He was born in Burton-on-Trent the son of Rev Henry Day who was headmaster of the Grammar School.

[1] Originally adopting a life in the brewing industry (typical of Burton-on-Trent, and having moved to Edinburgh to pursue that career, his religious views led him to abandon this in the 1890s and instead pursue a new use for his chemical skills.

[4] In Edinburgh his address was 36 Hillside Crescent[5] an attractive flat just north of Calton Hill.