Arnold Emch

Arnold Frederick Emch (24 March 1871 in Hessigkofen, Switzerland –1959) was a Swiss-American mathematician, known for his work on the inscribed square problem.

After studying at ETH Zurich from 1890 to 1893, Emch traveled to America, In the late 1890s until 1905, he was an assistant professor of graphic mathematics in the school of engineering at the Kansas State Agricultural College (now Kansas State University). In 1905, Emch became a professor of mathematics at the Kantonsschule in Solothurn, Switzerland. In 1908, Emch gave a lecture at the International Congress of Mathematicians in Rome.

His wife was Hilda Walters Emch and they had two sons, Walter Emch and Arnold Frederick Emch, a well-known management consultant.

Selected publications (PhD dissertation)