Charles Belknap Henderson References Charles Belknap Henderson United States senator 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: HendersonSenator Charles Belknap Henderson (1873–1954). Inactivated at the close of World War II when the plant was closed, the project was later bought by the state, and the magnesium-producing facilities were taken over by private companies. Read MoreSenator Charles Belknap Henderson (1873–1954). Inactivated at the close of World War II when the plant was closed, the project was later bought by the state, and the magnesium-producing facilities were taken over by private companies. Read More