With Dave D’Auria, Acquisition Committee chairman of the National Cryptologic Museum Foundation; retired executive at the National Security Agency. “Solving the German Enigma: The Allied Code-Breaking That Helped Shorten and Win World War II.” (series information) 5:30 p.m. – Doors open, providing attendees a chance to examine the Enigma machine 7 p.m. – Lecture and Q&A Thursday, Sept. 17, 7 p.m. to 9 p.m. Museum of Nature & Science, 3535 Grand Avenue, Dallas, TX Admission: $7 - $10Age limit: 18+