He was appointed a Knight Commander of the Order of the British Empire in the 1918 Birthday Honours for his services during the war. Henn died in a London hospital, age 74, after falling and breaking his thigh in two places and contracting pneumonia.
He was bestowed the rank of Knight Commander of the Order of the British Empire in 1918 Birthday Honours for his wartime contributions. Henn passed away in a London hospital at age 74 after suffering a broken thigh and pneumonia.