Chicon 7, the 70th World Science Fiction Convention, August 30 – September 3, 2012 in Chicago IL, has announced former NASA Flight Controller Sy Liebergot as a Special Guest. Liebergot joins Astronaut Guest of Honor Story Musgrave as part of Chicon’s tribute to the achievements of manned spaceflight.

Sy Liebergot was the lead EECOM flight Controller in Mission Control for all of the Apollo manned missions and Skylab program missions. He was awarded the Presidential Medal of Freedom for his work as part of the Apollo 13 Operations Team. For more information, see the Chicon 7 website.