Preliminary Schedule for Spring, 2005 for Henry M. Walker Wednesday-Saturday, January 5-9: Joint Mathematics Meetings, Phoenix, AZ Sunday, January 23: Grinnell College Registration Monday, January 24: Grinnell Classes Resume Tuesday-Sunday, February 22-27: SIGCSE Symposium, St. Louis, MO Saturday-Sunday, March 19-April 3: Spring Break Friday, March 18: noon-3:00 pm: SGB EC Conference Call Saturday, March 19: SGB Meeting, Hilton Chicago O'Hare Airport Sunday, March 20: SGB Meeting Monday-Thursday, March 28-31: External Review at Southwestern University, Georgetown, TX Tuesday-Saturday, April 12-16: External Review at Stetson University, DeLand, FL Saturday, April 30: 10:45 am talk to trustees, Monday, May 23: Commencement