William Milnor Roberts

William Milnor Roberts (February 12, 1810 in Philadelphia, Pennsylvania – July 14, 1881 in Soledad, Brazil) was an American civil engineer. Roberts was one of the most prolific and prominent civil engineer of his generation in the United States. As a young civil engineer, he was involved in the construction of the Eads Bridge, held the title of the chief engineer of Northern Pacific Railroad, and was president of the American Society of Civil Engineers scarcely two decades after its founding,
Early life and career.
Roberts was born to Thomas Paschall and Mary Louise (Baker) Roberts. 
He was educated in the best private schools in the city of Pennsylvania. He spent two terms taking a special course in mathematics taught by Joseph Roberts, a prominent mathematician, and a course in architectural drawing under John Haviland at the Franklin Institute.
He pursued a career in civil engineering on the advice of Samuel Mifflin, then president of the Union Canal Company of Pennsylvania and friend of his father. He took up employment at the Union Canal of Pennsylvania in the spring of 1825, and at the age of 18 was promoted to be the head of the team that was in charge of the most difficult section of the Lehigh canal. He continued to further his education, focusing on mathematics, after starting his career in engineering.
Family.
He married Annie Gibson in June, 1837. They had up to six children together, including his son Milnor Roberts. Anne died in 1857. 
He later married Adeline de Beelen-Bertholff in November, 1868 with whom he had four children.
Death.
Milnor died of typhoid fever in Soledad, Brazil, July 14, 1881.
References.
7. Zagros Mountains, Iran - Geographical Names, Map, Geographic Coordinates, geographic.org/geographic_names/name.php?uni=-946848&fid=821&c=brazil.