Subject Source: Fast
Found in 2 Collections and/or Records:
Overview Abel Wolman was an American inventor, scientist, professor and pioneer of modern sanitary engineering. The papers trace Abel Wolman's active career as teacher, consulting engineer and advisor to local, national, and international agencies and include correspondence, documents, and files documenting his various activities from 1901-1989.
Overview Included is a large group of letters and ephemera from the Thomas family, a family with deep Maryland roots known for its ancestors, politicians John Hanson and John Hanson Thomas. John Hanson (1715-1783) was the first elected President of the United States in Congress Assembled, the first to serve a one-year term under the provisions of the Articles of Confederation. Dr. John Hanson Thomas (1813-1881) was a renowned Maryland legislator arrested during the Civil War for voting for Secession,...