1. Project Engineer, Halsall Associates Limited, 210 Gladstone Ave., Ste. 4001, Ottawa ON, Canada K2P 0Y6.
2. Reader and Arup/RAEng Senior Research Fellow in Structures in Fire, Institute for Infrastructure & Environment, William Rankine Building, The School of Engineering and Electronics, The University of Edinburgh, The King's Buildings, Mayfield Rd., Edinburgh EH9 3JL, U.K.