It is with deep sadness that we inform all ISRM members that our Past President and friend John A. Hudson passed away last Wednesday, 13 February 2019, in London.
The 25th ISRM Online Lecture by Prof. Derek Martin “Stress-induced fracturing (Spalling) around underground excavations: Laboratory and In-situ Observations” will broadcast in March 21st, 10 A.M. GMT, at the ISRM website.
