1. Formerly Geoterrex‐Dighem, Unit 2, 2270 Argentia Road, Mississauga, Ontario L5N 6A6, Canada; presently Geophex, Ltd., 605 Mercury Street, Raleigh, North Carolina 27603.
2. Formerly Geoterrex‐Dighem, Unit 2, 2270 Argentia Road, Mississauga, Ontario L5N 6A6, Canada; presently consultant, 1294 Gatehouse Dr., Mississauga, Ontario L5H 1A5, Canada.