Ed Lank is a professor at the University of Maryland, and is leading the investigation.

NPR: Panel's Report Assigns No Blame in Levee Failures

Crowe is shapeless now, his complexion pasty, his hair long and lank.

NEWYORKER: State of Play

Mr. ED LANK (University of Maryland): The classical design performed the way it was designed, except this particular failure mechanism was not considered.

NPR: Panel's Report Assigns No Blame in Levee Failures