Conrad Poppenhusen References Conrad Poppenhusen American rubber manufacturer Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: New York City/ Queens…William Englehardt Steinway (pianos) and Conrad Poppenhusen (rubber); the later development of the Newtown Creek area brought heavy industry and drew many immigrant workers into the county. Read More…William Englehardt Steinway (pianos) and Conrad Poppenhusen (rubber); the later development of the Newtown Creek area brought heavy industry and drew many immigrant workers into the county. Read More