Daniel Poneman's predecessor as Secretary of Energy won a Nobel Prize in what field?
Daniel Poneman:  Poneman was Acting Secretary of Energy in 2013 following the resignation of Steven Chu until Ernest Moniz was confirmed and sworn in. Steven Chu:  He is known for his research at Bell Labs and Stanford University regarding the cooling and trapping of atoms with laser light, for which he won the Nobel Prize in Physics in 1997, along with his scientific colleagues Claude Cohen-Tannoudji and William Daniel Phillips.
Physics