Stephen Heister Professor Emerita Or Emeritus https://engineering.purdue.edu/hypersonics/@@rdb-members/1326 https://engineering.purdue.edu/hypersonics/@@site-logo/Purdue-Engr2.jpg Stephen Heister Professor Emerita Or Emeritus Phone (765) 494-5126 Email heister@purdue.edu Unit and Group Affiliations Aeronautics and Astronautics