Dr. David S. McKay Has Passed Away “Our friend and colleague, Dr. David S. McKay, passed away peacefully in his sleep in the early morning hours yesterday, 20 February 2013. David had been battling serious health problems for some time, especially cardiac issues this past year or so. He was 77. .. Of course, he was the lead author on the 1996 paper in Science on the ALH84001 martian orthopyroxenite, […]