Barry G. Quinn (M'91) was born in Maitland, N.S.W., Australia in 1956. He received the B A. and Ph.D. degrees in statistics in 1977 and 1980 from the Australian National University.He has held lectureships at the Universities of Wollongong (1981-1983) and Queensland (1983-1987) and a senior lectureship at the University of Newcastle (1987-1990). In 1990 he joined DSTO as a Principal Research Scientist. His research interests include the estimation and tracking of frequency and bearing and, more generally, the analysis of time series with quasi-sinusoidal components.