Commencement ceremonies are held at the National Mall, within sight of the Washington Monument and the U.S. Capitol, and notable alumni include Colin Powell, Kerry Washington and Alec Baldwin.

FORBES: George Washington University

Notable Fisk alumni include two-time Pulitzer Prize winner David Levering Lewis, who graduated in 1956.

FORBES: Fisk University

But when he decided to marry Kate Middleton he joined a notable cohort of alumni from Scotland's oldest university.

BBC: Prince seals a 'match made in St Andrews'

To accomplish this, Delta threw out all the fast food outlets that are often de rigueur, and replaced them with restaurants helmed by the New York City culinary elite, including alumni from such notable city venues as Balthazar, Morimoto and the Brooklyn Brewery.

CNN: Airport layovers, more pleasure than pain