As a co-founder of chemical company Union Carbide, Marshall held various roles throughout his lifetime, notably serving as general superintendent.
[5] Marshall started his career in 1896 as an electrical engineer at the Acetylene Light, Heat, & Power Co. of Niagara Falls, which he co-founded and which later became Union Carbide.
He oversaw the construction of the Union Carbide plant in Norway and traveled through Europe, Asia, Australia and South America, as well as the United States.
[9][2] He is credited for making two fundamental raw materials, acetylene and carbon monoxide, commercially accessible to the chemical industry.
[7] In 1937, Marshall was awarded the Jacob F. Schoellkopf Medal from the Western New York chapter of the American Chemical Society for his contributions to the calcium carbide and ferroalloy industries.
[4][7] In 1953, Marshall received from the Niagara Falls Council of Social Agencies an Honorary Life Membership for Community Service.
[10] In 1956, Marshall received a Distinguished Alumnus Medal from his alma mater, Pennsylvania State University, for "conspicuous achievement in personal and professional life, and community service".
Despite gathering wide support from various organizations, including historical societies, the project faced financial challenges and remained unrealized.