to commercial air navigation. 1971 Sedgwick N. Wight (in memoriam) and George W. Baughman, for development of Centralized Traffic Control on railways 1972 Leonard S. Hobbs and Perry W. Pratt of Pratt & Whitney, for the design and development of the Pratt & Whitney JT3 turbojet engine 1973–74 No award 1975 Jerome L. Goldman, Frank A. Nemec and James J. Henry, Friede and Goldman, Inc. and Alfred W. Schwendtner, for the design and development of barge carrying cargo vessels 1977 Clifford L. Eastburg and Harley J. Urbach, Railroad Engineering Department of the Timken Company, for the development of tapered roller bearings for railroad and industrial use 1978 Robert Puiseux, Michelin for the development of the radial tire. 1979 Leslie J. Clark, for his contributions to the conceptualization and initial development of the sea transport of liquefied natural gas 1980 William M. Allen, Malcolm T. Stamper, Joseph F. Sutter and Everette L. Webb, Boeing, for the introduction of widebody commercial jet aircraft 1981 Edward J. Wasp, for his development of long distance pipeline slurry transport of coal and other finely divided solid materials. 1982 Jörg Brenneisen, Ehrhard Futterlieb, Joachim Körber, Edmund Müller, G. Reiner Nill, Manfred Schulz, Herbert Stemmler and Werner Teich, for their development of solid state adjustable frequency induction motor transmission for diesel and electric motor locomotives 1983 Sir George Edwards; General Henri Ziegler; Sir Stanley Hooker, (in memoriam); Sir Archibald Russell; and André Turcat; commemorating their outstanding international contributions to the successful introduction of commercial supersonic aircraft such as Concorde 1984 Frederick Aronowitz, Joseph E. Killpatrick, Warren M. Macek and Theodore J. Podgorski, for the development of a ring laser gyroscopic system incorporated in a new series of commercial jetliners 1985 Richard K. Quinn, Carlton E. Tripp and George H. Plude for numerous innovative design concepts and an unusual method of construction of the first 1,000 foot self-unloading Great Lakes vessel, the M/V Stewart J. Cort 1986 George W. Jeffs, Dr. William R. Lucas, Dr. George E. Mueller, George F. Page, Robert F. Thompson and John F. Yardley, for their contributions to the concept and achievement of a reusable Space Transportation System 1987 Harry R. Wetenkamp, for his contributions toward the development of curved plate railroad wheel designs 1988 John Alvin Pierce, for his work on the OMEGA Navigation System 1989 Harold E. Froehlich, Charles B. Momsen, Jr., and Allyn C. Vine, for their development of the deep-diving