1986 Jean-Pierre Monchalin: Optical Detection of Ultrasound 1992 (Co-Winners) Jian-yu Lu and James F. Greenleaf: Nondiffracting X-Waves (1992a, 1992b) 1992 (Co-Winners) Mathias Fink, François Wu, Jean-Louis Thomas and Didier Cassereau: Time Reversal Acoustics (1992a, 1992b, 1992c)