|Robert Curtis Retherford|
|Alma mater||Columbia University|
|Doctoral advisor||Willis Lamb|
|Known for||Lamb shift|
Robert Curtis Retherford (1912 – 1981) was an American physicist. He was a graduate student of Willis Lamb at Columbia Radiation Laboratory and both performed the famous experiment revealing Lamb shift in the fine structure of hydrogen, a decisive experimental step toward a new understanding of quantum electrodynamics.