Dr. John M. Grunsfeld Overview

JOHN GRUNSFELD Dr. John M. Grunsfeld of Chicago, is a veteran of five space flights and has logged over 58 days in space, including 57 hours and 90 minutes in eight spacewalks. Grunsfeld has worked on several technical assignments within NASA since being selected as an astronaut candidate in 1992. During the George W. Bush Administration, he served as Chief Scientist detailed to NASA Headquarters, where he helped develop the President’s Vision for Space Exploration. Grunsfeld earned a... See All