He was Washington (D.C.) Office Architect of the U.S. Forest Service during 1933-1953 and provided professional guidance as the national consulting architect of the service, leading architectural style development.
[1] Groben wrote the important 1940 document "Architectural Trend of Future Forest Service Buildings".
[3] He designed the Forest Services' International Institute of Tropical Forestry building in Puerto Rico.
[4] Groben was "a native of" Philadelphia and studied architecture at the University of Pennsylvania and the Ecole des Beaux Arts.
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