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Osborn, Frank Chittenden; civil engr.; born, Greenland, Ontonagon County, Mich., Dec. 18, 1857; son of Reuben Howard and Livonia (Chittenden) Osborn; C. E., Rensselaer Polytechnic Institute, 1880; married Annie Paull of Calumet, Mich., Oct. 27, 1880; asst. engr. Louisville Bridge & Iron Co., 1880-1885; prin. asst. engr. Keystone Bridge Co., 1885-1887; member firm G. W. G. Ferris & Co., Pittsburgh; inspector and designers of structural steel works, 1887-1889; asst, to M. J. Becker, chief engr. Ohio Connecting Ry., about four months in 1889; chief engr. King Bridge Co., Cleveland, 1889-1892; since then in private practice as consulting and designing engr. for structural steel work; pres. Osborn Engineering Co., 1900-1910; director Lake Shore Banking & Savings Co.; vice pres. American Art Stone Co.; member Cuyahoga County Bldg. Commission since 1908; member American Society C. E., Institution Civil Engineers of Great Britain, American Society Testing Materials, Cleveland Engineering Society, Cleveland Chamber of Commerce, American Railway Bridge and Building Ass’n. Mason (32nd degree). Clubs: Masonic, University, Cleveland Athletic, Chippewa. Author: Tables of Moments of Inertia and Squares of Radii of Gyration, 1894.