Mining rock mechanics, yesterday, today and tomorrow

Some of the significant developments in the field of mining rock mechanics are reviewed. Three time periods are considered: pre-history to 1960, 1960 to 1983, and 1983 to date. Significant advances were made in this field during the middle period, which is defined as the renaissance era. In the most recent and current period research activity in this field has declined and the emphasis has been on transferring knowledge to mining operations. The research needs for mining rock mechanics as we move into the 21" century are considered