 He then travelled to America from Japan in 1916 to learn the technique of etching under James Blanding Sloan and Bertha Jaques in Chicago, to whom Dey was introduced by American artist Roi Partridge and his wife Imogen Cunningham.Mukul Dey remained a life-member of Chicago Society of Etchers.On his return to India in 1917, Dey concentrated on creating etchings as a fine art.