Haruji Matsue (松江春次, Matsue Haruji; January 15, 1878 to November 29, 1954) was a Japanese entrepreneur and the first person to manufacture the sugar cube in Japan. His brother, Major General Toyohisa Matsue, was commandant of the Bandō prisoner-of-war camp in World War I.
Source: “Haruji Matsue”, English Wikipedia (CC BY-SA 4.0), excerpt