Thomas Michel, a professor at Harvard Medical School, waits for the start of the 360th Commencement Exercises at Harvard University in Cambridge

 
Thomas Michel, a professor at Harvard Medical School, waits for the start of the 360th Commencement Exercises at Harvard University in Cambridge
Thomas Michel, a professor at Harvard Medical School, waits for the start of the 360th Commencement Exercises at Harvard University in Cambridge, Massachusetts May 26, 2011. REUTERS/Brian Snyder (UNITED STATES - Tags: EDUCATION HEALTH)