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Ivan Gubelmann retirement testimonial

Creation: 1932 June 29
Accession: 1046


Ivan Gubelmann (1886-1968) was an organic chemist specializing in dyestuffs. The framed testimonial was presented to Gubelmann on the occasion of his retirement from the Carrollville, Wisconsin plant of E.I. du Pont de Nemours & Company and was transferred to Wilmington.


  • Creation: 1932 June 29



1 item(s) (In oversized flat box)

Biographical Note

Ivan Gubelmann (1886-1968) was an organic chemist specializing in dyestuffs. He was born in Meilen, Switzerland, on July 7, 1886, and came to the United States in 1912. He worked first for Monsanto (1912-1916) and then became chief chemist for The Newport Company, which manufactured dyestuffs under license from German manufacturers. Gubelmann was promoted to chemical director (1919-1924) and vice president. In 1930, The Newport Company spun off its dyestuffs and chemical division to the Newport Chemical Corporation, with Gubelmann as vice president in charge of manufacture and technical director. On August 14, 1931, the Newport Chemical Corporation sold all its assets to E.I. du Pont de Nemours & Company, where they became part of the Organic Chemicals Department. Gubelmann was transferred to Wilmington in 1932 and retired in 1950 as manager of the Dyestuffs Division. He died in Wilmington in June 1968.

Scope and Contents

Testimonial on the occasion of Ivan Gubelmann's transfer from E.I. du Pont de Nemours & Co. in Carrollville plant in Wisconsin to Wilmington, Delaware. The document has sixty-two co-worker signatures.

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No restrictions on access; this collection is open for research.

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Finding Aid & Administrative Information

Ivan Gubelmann retirement testimonial
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Revision Statements

  • 2021: Ashley Williams

Repository Details

Repository Details

Part of the Manuscripts and Archives Repository

PO Box 3630
Wilmington Delaware 19807 USA