Found in 3 Collections and/or Records:
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.
John Charles Geyer was as a teacher, writer, and consultant on environmental matters born in 1906. This collection consists largely of writings, subject files relating to environment consulting and teaching at Johns Hopkins University, and some personal items, spanning 1952-1980.