Julius Arthur Nieuwland

1878 - 1936

Julius Arthur Nieuwland (1878–1936): The Priest of Polymers

Julius Arthur Nieuwland was a rare polymath of the early 20th century—a Holy Cross priest, a world-class botanist, and a revolutionary organic chemist. His research into the chemistry of acetylene laid the groundwork for the development of Neoprene, the world’s first commercially successful synthetic rubber. His career is a testament to the synergy between academic curiosity and industrial application.

1. Biography: From Flanders to Notre Dame

Early Life

Julius Arthur Nieuwland was born on February 14, 1878, in Hansbeke, Belgium. His family emigrated to the United States when he was two years old, settling in South Bend, Indiana. This location proved providential, as it placed him in the shadow of the University of Notre Dame.

Education and Ordination

Nieuwland enrolled at Notre Dame, earning his Bachelor’s degree in 1899. Following his undergraduate studies, he entered the Congregation of Holy Cross and was ordained a priest in 1903. He pursued graduate studies at the Catholic University of America in Washington, D.C., where he studied under the renowned botanist Edward Lee Greene. While his primary focus was botany, his doctoral thesis, Some Reactions of Acetylene (1904), would eventually change the course of industrial chemistry.

Academic Career

Upon returning to Notre Dame, Nieuwland served as a Professor of Botany (1904–1918) and later as a Professor of Organic Chemistry (1918–1936). He eventually became the Dean of the College of Science, transforming the university into a serious hub for chemical research.

2. Major Contributions: Acetylene and Synthetic Rubber

Nieuwland’s intellectual life was split between the herbarium and the laboratory. However, his most significant contributions occurred in the realm of acetylene chemistry.

The Polymerization of Acetylene: In the early 1920s, Nieuwland discovered that by passing acetylene gas through a solution of cuprous chloride and ammonium chloride, he could cause the molecules to link together (polymerize). This process produced monovinylacetylene and divinylacetylene.
The Foundation of Neoprene: While divinylacetylene was a highly unstable, explosive liquid, monovinylacetylene held the key to synthetic polymers. In 1925, during a chance meeting at an American Chemical Society (ACS) event, Nieuwland shared his findings with Wallace Carothers, a brilliant chemist from DuPont. Carothers realized that by reacting monovinylacetylene with hydrogen chloride, he could produce chloroprene, which then polymerized into polychloroprene—trademarked by DuPont as Neoprene.
Botanical Taxonomy: Nieuwland was a pioneer in American botany. He founded the American Midland Naturalist in 1909, a peer-reviewed journal that remains influential today. He was also an expert on the flora of the Indiana Dunes and the lower Lake Michigan region.

3. Notable Publications

Nieuwland was a prolific writer in two distinct fields:

Some Reactions of Acetylene (1904): His doctoral dissertation, which first described the reaction of acetylene with antimony trichloride.
The Polymerization of Acetylene (1931): Published in the Journal of the American Chemical Society (JACS), this paper detailed the catalytic process that made synthetic rubber possible.
The Chemistry of Acetylene (1945): A comprehensive monograph co-authored with his student Richard R. Vogt. Published posthumously, it became a standard reference text for the field.
Botanical Papers: He authored hundreds of articles on plant morphology and taxonomy, frequently published in the American Midland Naturalist.

4. Awards & Recognition

Nieuwland’s dual role as a priest and a scientist earned him significant acclaim during the 1930s:

Morehead Medal (1932): Awarded by the International Acetylene Association for his research on the industrial applications of the gas.
American Institute of Chemists Gold Medal (1934): For his contributions to the chemical profession.
William H. Nichols Medal (1935): One of the most prestigious awards in chemistry, given by the New York Section of the ACS for his work on synthetic rubber.
Honorary Degrees: He received honorary doctorates from several institutions, including Marquette University.

5. Impact & Legacy

Nieuwland’s legacy is visible in both the laboratory and the natural world:

Industrial Revolution: Neoprene became a critical material for the 20th century. Because it was resistant to oil, heat, and weathering (unlike natural rubber), it was essential for gaskets, hoses, and electrical insulation. During World War II, Neoprene was a vital strategic resource for the Allied forces.
Institutional Growth: He is largely credited with putting the University of Notre Dame on the map as a research institution. The Nieuwland Science Hall at Notre Dame stands as a monument to his influence.
Conservation: His botanical collections, comprising thousands of specimens, are housed in the Greene-Nieuwland Herbarium at Notre Dame, serving as a primary resource for Midwest plant biology.

6. Collaborations

Wallace Carothers (DuPont): The most famous partnership in Nieuwland’s career. While Nieuwland provided the basic chemical discovery (the catalyst and the precursor), Carothers and the DuPont team provided the industrial engineering to stabilize and commercialize the product.
Edward Lee Greene: His mentor in botany, whose massive library and collection Nieuwland eventually brought to Notre Dame.
Richard R. Vogt: A dedicated student and colleague who helped Nieuwland refine the chemistry of acetylene and completed their definitive book on the subject after Nieuwland’s death.

7. Lesser-Known Facts

The "Lewisite" Connection: During his PhD research, Nieuwland accidentally created a highly toxic compound by reacting acetylene with arsenic trichloride. He became violently ill and abandoned the line of inquiry, noting its extreme toxicity in his thesis. Years later, during WWI, Winford Lee Lewis used Nieuwland’s notes to develop the chemical weapon Lewisite, often called "The Dew of Death." Nieuwland, a man of peace, was reportedly deeply troubled by this application of his work.
A "Reluctant" Chemist: Despite his fame in chemistry, Nieuwland often remarked that his true love was botany. He viewed his chemistry work as a duty to his university and his students, but he spent his vacations trekking through swamps and forests to collect rare plants.
Death in the Lab: Nieuwland died of a sudden heart attack on June 11, 1936, while visiting the chemistry laboratories at the Catholic University of America—the same place where his journey into acetylene chemistry had begun 32 years earlier.