Tony Irving, UW professor and world expert on meteorites, holds one of his meteorite samples that has been dated at 4.6 billion years. He is an international expert in meteorites, having identified more than 1500 samples from Northwest Africa, Oman, China and the USA and published over 90 articles in international journals and books. He received his B.Sc. and Ph.D degrees in Australia. In April 2017, Tony lectured to the QGS on Meteorites—Ancient rocks from Space. (Updated Oct. 2021)