
Giving his inaugural address in October 2003

Applauding noted CBS anchorman and honorary degree recipient Walter Cronkite during the 2004 Commencement exercise.

In full gear for one of his beloved long-distance bicycle rides

Teaching his environmental chemistry class in February 2007

Helping to assemble “String Theory,” the 2009 artwork-cum-canopy that provides shade for the annual commencement ceremony in Marston Quad

Talking with students during his daily walk to work from the President’s House in 2009

Welcoming Native Americans to campus for the first College-hosted powwow in August 2012

With his wife, Claire, at Trinity College, Cambridge, during his fall 2012 sabbatical

With Supreme Court Justice Sonia Sotomayor in October 2015

Raising a toast at the closing celebration for the Daring Minds Campaign in February 2016

Speaking to the Class of 2020 at the 2016 Convocation
