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.
Clarence Edward Keefer, a sanitary engineer, was born in Baltimore in 1891, and received his B.E. from Johns Hopkins in 1919. From 1940 to 1945, Keefer was an instructor in sanitary engineering at JHU. He published an important work in his field in 1940. Collection consists manuscript pages of chapters from Keefer's "Sewage-Treatment Works: Administration and Operation" dating from 1935 to 1940.
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.