Column observations of greenhouse gases using Fourier transform spectrometers 2013 Noble Lectures April 24, 2013 (past) 11 a.m. to noon KP108 Dr. Paul Wennberg speaker details California Institute of Technology Dr. Paul Wennberg California Institute of Technology Refreshments will be served half an hour prior to the start of the lecture in the lobby of the Koffler Institute, just outside KP108.