"Human Guinea Pigs" -- A 1945 Associated Press photo from an article about conscientious objectors' service shows Keys's subjects under study on the treadmill, toward the end of the year-long starvation project.
Cleveland proposed a system of connected parkways to the Minneapolis Board of Park Commissioners. This map accompanied his suggestions. The parkways he proposed are shown in red. It was published as a part of the annual report of the park board in 1883.