Sims is a tax lawyer, Certified Public Accountant, world traveler, and collector of pre-Columbian objects. He was employed in the Panama Canal Zone by the Panama Railroad Company, Commissary Branch, 1915-1916. Between 1918-1919, he served as sergeant 1st class in the aviation section of the Signal Corps. In 1919, Sims and a few friends traveled West on one of the early automobile trips across the United States. After his wife died in 1946, he spent much time on world cruises. He also purchased and restored the 1832 adobe Boronda Home (1946-1950) in Carmel, California.
Sims was a world-wide traveler who collected objects and kept notebooks throughout his life. Native handicraft and art objects he collected in the United States, Europe, Africa, and South America are part of the permanent collections in the Division of Community Life, National Museum of American History, and the Department of Anthropology, National Museum of Natural History.
Collection documents Sims's activities as a traveller and his interest in historic restoration. Forty-one notebooks, 6,000 color slides, a smaller number of photographic prints, forty-one stereo view cards, and three boxes of personal papers and ephemera. While some images are personal, the majority form a documentary record of various subjects and places and provides biographical information on Sims.
George W. Sims Papers, 1896-1981, Archives Center, National Museum of American History