Wow, English explanations about him are available.
The National Diet Library of Japan has
official documents about him,
written in Japanese.
Akashi Motojiro
ttps://en.m.wikipedia.org/wiki/Akashi_Motojiro
Baron Akashi Motojiro
(明石 元二郎, 1 September 1864 - 26 October 1919) was
a general in the Imperial Japanese Army and
the 7th Governor-General of Taiwan
from 6 June 1918 to 26 October 1919.
...
Espionage during the Russo-Japanese War
...
