Alistair Lachlan obtained his Ph.D. from the University of Cambridge in 1964 and is currently a professor of mathematics at Simon Fraser University. Prof. Lachlan was elected as a Fellow of the Royal Society of Canada in 1974. He has served as the Vice-President of the Canadian Mathematical Society (1985-1987), was a member of the NSERC math GSC (1984-1987), was a member of the selection panel for speakers in Mathematical Logic at the 1990 ICM, and served on the steering committee for the CRM (1991-1995). He is and has been an editor for a number of journals including annals of pure and applied logic and the lecture notes in logic.