Ernest John Harrison was a journalist and translator who spoke many languages. He was exposed to the art in Japan in 1897. Harrison was rumoured to be something of a hot-head and a tough guy who backed down to no-one. W. E. Steers and E. J. Harrison was the first non-Japanese to be graded to shodan (first dan) in Kodokan judo.
"The Art of Ju-Jitsu" shows various easy to learn techniques illustrated and supplemented with in-depth text descriptions.