the Dennis J. Picard Medal of the Institute of Electrical and Electronics Engineers (IEEE), for Radar Technologies and Applications. Other members of the Physics Division who made significant contributions to several fields of endeavour include: William Bardsley, physicist. His work at Malvern on growing crystals was published in a series of papers that have been referenced over 200 times through the time of writing (2010), in work on semiconductor devices and, in one instance, space science. Michael P. Barnett, (1929–2012). At Malvern he worked on theory of semiconductors, including organic materials. Later, he taught at MIT, the University of London, Columbia University and City University of New York. His earlier publications on several topics has been followed by more recent work on computational chemistry and symbolic calculation. Paul N. Butcher, theoretical solid state physics. After working at Malvern, he was appointed to a chair at the University of Warwick, and has published four books. Geoffrey V. Chester, theoretical physicist. At Malvern (1953–54), he worked on mathematical problems of radar. Later, at Cornell University, he was Director of the Laboratory of Atomic and Solid State Physics (1968–74) and Dean of the College of Arts and Sciences (1986–91). J. B. Gunn, solid state physicist. At Malvern he worked on the physics of electronic devices. Later, at the IBM Research Laboratories in the U.S., he discovered the Gunn effect used in the Gunn diode. Several staff members under the supervision of Cyril Hilsum, in conjunction with George Gray and Ken Harrison of the University of Hull, developed new, stable liquid crystals in 1972, which were an immediate success as the basis of display devices in the electronics and consumer products industries. This received the Queen's Award for Technological Achievement in 1979. Patents from this development yielded royalties over £100 million, the largest of any MOD patent. William D. Lawson, co-recipient of Rank Prize for Optoelectronics in 1976, Trevor Simpson Moss, solid state physicist, author of definitive monographs Photoconductivity of the elements and Optical Properties of semiconductors, and series editor of Handbook on Semiconductors of the North-Holland Publishing Company. S. Nielson, co-recipient of Rank Prize for Optoelectronics in 1976, Michael J. Radcliffe, theoretical physicist. Later, he turned to academe in the Carnegie Institute of Technology in the U.S., and he was listed as coauthor in a revised edition of Born's Atomic Physics. Dennis Sciama, later cosmologist and FRS. At RRE he coauthored work on