We are pleased to announce that Professor Mathieu Ossendrijver (Humboldt University, Berlin) will present the second Annual Otto Neugebauer Lecture in the Exact Sciences in Antiquity, titled "Chaldeans on the Nile. New evidence for the transmission of Babylonian astronomy to Egypt."  Please join the Department of Egyptology & Assyriology for this talk at 5 PM in Petteruti Lounge, Stephen Roberts Ctr, 75 Waterman St on Monday, April 9.  Refreshments follow.