The Center for Radiological Research (CRR) is a research institute in New York City. It was founded in 1916 at Memorial Hospital by Gioacchino Failla before moving to Columbia University in 1942. [1] It has been described as the oldest and largest research center of its kind in the world. [2] Achievements by the CRR under Failla include constructing the first radon generator in the US and building the first human phantom in the US. [3]