Anthonie Rouwenhorst Mulder
Anthonie Rouwenhorst Mulder  (28 April 1848 – 6 March 1901) was a Dutch engineer and foreign advisor specializing in hydraulic engineering in Meiji period Empire of Japan. Mulder was born in Leiden, Kingdom of the Netherlands as the son of a tobacco trader. He obtained his degree as a civil engineer from what is now TU Delft in 1872. After graduation, Mulder served as a supervisor of water management on the River Waal at Herwijnen. However, after only one year, he was invited by Prince Henry, the son of King William II to establish a trading post at the northern entrance to the Suez Canal, near Port Said in Egypt.