Spring 2010 First day of classes: Jan. 13 Jan. 14 21 Michael Cooper, Steward 28 Stephen Ridgway, NOAO Feb. 4 11: William Borucki, NASA 18 25: Julia Lee, CFA March 4 11 18: Spring Break 25 April 1 8 Davy Kirkpatrick, IPAC 15 Scott Ransom, NRAO 22 Erick Young, NASA 29 Last day of classes: Wednesday, May 5