G. M. (Giles Murrel) Ruch

G. M. Ruch, short for Giles Murrel Ruch, was an American educator and writer active in the first half of the 20th century. A 1920 University of Oregon publication credits him by his full name on A Study of the Mental, Pedagogical and Physical Development of the Pupils of the Junior Division of the University High School, Eugene, Oregon, showing his early connection to educational research and school development.

His published work suggests two main interests: educational measurement and mathematics teaching. Open Library records list books such as The Improvement of the Written Examination (1924), Tests and Measurements in High School Instruction (1927), Living Mathematics (1938), and Mathematics and Life (1937). Taken together, they portray a writer interested both in how students are assessed and in how mathematics can be made useful and understandable in daily life.

Reliable biographical details about his personal life appear to be limited in the sources I could confirm, so this overview stays close to his documented publications. Even so, his bibliography gives a clear picture of a practical-minded author whose books were aimed at teachers, students, and the improvement of classroom learning.