African American engineer, architect, and mathematician Archie Alphonso Alexander was born on May 14, 1888 in Ottumwa, Iowa, the oldest of Price Alexander’s and Mary Hamilton Alexander’s nine children. In order to help his educational opportunities, when he was 11 years old Alexander’s family moved to a small farm on the outskirts of Des Moines, Iowa. In 1905 Alexander graduated from Oak Park High School in Des Moines.

With his parents’ help and with earnings from a few part-time jobs, Alexander attended Highland Park College and Cummins Art College in Des Moines before entering the University of Iowa in 1908 to study engineering. Alexander was the only black student at the University at that time. He played tackle for the school’s varsity football team, earning the nickname, “Alexander the Great.” During the summers Alexander worked as a draftsman for Marsh Engineers, a Des Moines bridge-designing firm, and in 1912 he received a Bachelor of Science degree, becoming the University of Iowas first African American student to complete the engineering program.

After graduating and initially encountering difficulty finding a position, Alexander was hired by Marsh Engineering Company in Minneapolis, Minnesota, where he was in charge of the bridge building program in Iowa and Minnesota.

In 1917 Alexander left Marsh to form his own engineering company with a white contractor, George F. Higbee. Within that time Alexander continued his education at the University of London, where in 1921 he took coursework in bridge design. Alexander obtained his civil engineering degree from Iowa State University in 1925. With Higbee, Alexander designed the Tuskegee Air Field and the Iowa State University heating and cooling system. The partnership ended in 1925 when Higbee died in a construction accident.

In 1929 Alexander teamed up with a former classmate of his from the University of Iowa, Maurice A. Repass, to form the engineering firm of Alexander & Repass. They were responsible for the construction of numerous roads and

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