Showing Collections: 1 - 5 of 5
Karl Wolfgang Böer papers
Collection
Identifier: MSS 0483
Abstract
Physicist, inventor, university professor, and solar energy pioneer Karl Wolfgang Böer was born March 23, 1926, in Berlin, Germany. He became a naturalized American citizen in August 1972.
The Karl Wolfgang Böer papers, 1945-2003, document the life work and professional career of this German-American physicist, inventor, university professor, and solar energy pioneer. Böer’s work in solid state technology, understanding the photoconductivity and structure of cadmium sulfide, and...
Dates:
1945-2003; Majority of material found within 1961-1986
Karl Wolfgang Böer papers supplement
Collection
Identifier: MSS 0632
Abstract
The Karl Wolfgang Böer papers supplement contains the publications, scientific notes, and other papers documenting the professional activities of Karl Wolfgang Böer, a preeminent physicist who pioneered the development of solar energy.
Dates:
1953-2009
Leon De Valinger papers
Collection
Identifier: MSS 0686
Abstract
Leon De Valinger, Jr., served as Delaware State Archivist from 1941 to 1970. The Leon De Valinger papers contain his personal and professional records, primarily related to his work as State Archivist and as a historian of Delaware. His professional, administrative, and subject files offer a window into the varied concerns of the archives profession as it evolved during the 20th century. Additionally, his work to document, preserve, and promote Delaware history and culture forms a theme...
Dates:
1752-1999; Majority of material found within 1930-1980
Friends of Rockwood records
Collection
Identifier: MSS 0675
Abstract
The Friends of Rockwood, Inc., supported the maintenance of the site, collections, and educational mission of the Rockwood Museum in Wilmington, Delaware, from 1976 to 2014. The Friends of Rockwood records comprise the organization’s general administrative records; officer and member files; board of directors’ minutes and correspondence; files pertaining to the Friends’ association with New Castle County, Delaware; records relating to properties and capital improvements at Rockwood;...
Dates:
1890-2017; Majority of material found within 1976-2014
William John Williams papers
Collection
Identifier: MSS 0422
Abstract
Personal and professional papers of William John Williams, an analytical chemist who immigrated to the United States in 1885 from Abergele, North Wales in Great Britain, and worked in a number of manufacturing fields, including fertilizers, soaps, bleaches, brickmaking, and sewage and water treatment. A tremendous amount of his work was with phosphates, reflected in this collection by the substantial amount of notes and correspondence about various chemical processes involving phosphates.
Dates:
1876-1923, undated; Majority of material found within 1876-1896