Emilio Quisumbing

Emilio Quisumbing was a Filipino civil engineer. He was one of the 1903 pensionados sent by the US colonial government to the US for graduate / post-graduate degrees. He would earn a degree in civil engineering from Cornell University. He started work in 1908 at the US colonial government's Department of Engineering and Public Works (in Manila) as a 'chief computer' +; would be surveyor by 1912 in the same department; and would be listed as assistant engineer by 1924 with the Department of Water Supply and Sewers. By 1911, he was a professor under the UST's College of Science and Engineering.

+ yes, the job title did exist at that time. During that period, human computers managed mathematical tables such as trigonometric and logarithmic tables. These tables were relied on by navigators and engineers.

Men of the Philippines: A Biographical Record of Men of Substantial Achievement in the Philippine Islands, Volume 1 (1931, p. 252-253)

Cornejo’s Commonwealth Directory of the Philippines (1939), by Miguel Cornejo (p. 2037)

Who's Who in the Philippines: A Biographical Dictionary of Notable Living Men of the Philippines, Volume II 1940-1941 (1940), by Franz J. Weissblatt (p. 148, Image 196)