Photograph of IIT Research Institute personnel and a Chevrolet Corvair 95 van on (or on their way to) a so-called Eclipse Expedition, likely... Show morePhotograph of IIT Research Institute personnel and a Chevrolet Corvair 95 van on (or on their way to) a so-called Eclipse Expedition, likely either in the Cook Islands in 1965 or near Porto Alegre, Brazil, in 1966. Photographer unknown. Date of photograph unknown. Date range listed is approximate. Show less