Horst Ludwig Störmer is a German physicist, Nobel laureate and emeritus professor at Columbia University.
He was awarded the 1998 Nobel Prize in Physics jointly with Daniel Tsui and Robert Laughlin "for their discovery of a new form of quantum fluid with fractionally charged excitations". He and Tsui were working at Bell Labs at the time of the experiment cited by the Nobel committee.
Störmer in 1998
Robert Betts Laughlin is the Anne T. and Robert M. Bass Professor of Physics and Applied Physics at Stanford University. Along with Horst L. Störmer of Columbia University and Daniel C. Tsui of Princeton University, he was awarded a share of the 1998 Nobel Prize in physics for their explanation of the fractional quantum Hall effect.
Robert B. Laughlin
Laughlin (right) in the White House together with other 1998 US Nobel Prize Winners and the President Bill Clinton