[3] He was invalided back to England, with gas poisoning in March 1918, and spent several months recovering at the Hospital for Officers on the Isle of Wight.
[4] In May 1918, Gill offered his services as a war artist but, initially was turned down and continued to work as a camouflage instructor.
[9] Between 1925 and 1927, Gill worked on a large mural, King Alfred's long-ships defeat the Danes, 877, for St. Stephen's Hall in the Palace of Westminster.
[2] In the early thirties, Gill had an affair with Mabel Lethbridge, a Great War heroine and writer, while occupying a studio on the first floor of her Chelsea home.
In 1939, he received a commission to paint murals at the Johannesburg Magistrates' Courts and it was in South Africa, in November 1940, that he died, aged 48, of an illness.