| Period of LegCo service |
| 11 November 1981 - 9 December 1981 |
Appointed (Official - Acting Secretary for Transport) |
| 9 June 1976 - 13 October 1976 |
Appointed (Official - Acting Secretary for the Environment) |
| 17 July 1974 - 14 August 1974 |
Appointed (Official - Acting Secretary for the Environment) |