John D. Paulus Jr.; Architect Worked on Manhattan Project

John D. Paulus Jr., 83, an architect who worked on the Manhattan Project, which developed the first atomic bomb. Paulus joined the Raytheon Co. in Concord, Mass., in 1942 and wound up overseeing a group of engineers, drafters and designers working on an electrical guidance system. He also worked on the conceptual design for what was to be the first radar tracking system. He had lived in the Jefferson City, Mo., area since 1946 and worked for Missouri state government until 1974. He knew Missouri artist Thomas Hart Benton and oversaw restoration of Benton’s state Capitol murals. In Jefferson City on Friday.