Ho-kwang (Dave) Mao (IMAGE) Carnegie Institution for Science Caption Carnegie's Dave Mao has been awarded AGU's Inge Lehmann Medal for "outstanding contributions to the understanding of the structure, composition, and dynamics of the Earth's mantle and core." Credit Ho-kwang (Dave) Mao Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.