Eugene Max Mannheimer was a Jewish Rabbi at Temple B'nai Jeshurun in Des Moines, Iowa, from May 1905 to October 1943. Mannheimer was born in Rochester, New York, on November 3, 1880. After eight years of study at the high school and college levels, he graduated from Hebrew Union College, in Cincinnati, Ohio, in 1902. Mannheimer's father was an instructor in the Hebrew language and in the Bible at that college, beginning in 1884. After graduation, Mannheimer served as a Rabbi in Sioux City, Iowa, and in 1905 he moved to Des Moines, Iowa, to serve the congregation at Temple B'nai Jeshurun. He met Irma Shloss in Des Moines and the couple married on April 17, 1917. They had two sons, Robert and Richard.

As a representative of the Jewish religion, Mannheimer was invited to attend a meeting at the State University of Iowa on May 12, 1925, to establish the School of Religion. Later that month he was appointed to the Executive Committee of the Board of Trustees of the School of Religion. Mannheimer was elected as first vice president of the School of Religion in May 1949.

During 1941, Mannheimer suffered two heart attacks. In April 1943 he requested to retire and he was elected Rabbi Emeritus on October 1, 1943. Eugene Mannheimer died of a heart attack on September 8, 1952.