The<unk>  (also known as the<unk> -ray<unk> ' Memorial) is a memorial in Hamburg, Germany, commemorating those who died due to their work with the use of radiation, particularly<unk> -rays, in medicine. It was unveiled on the grounds of St Georg (St George's) Hospital (now the ), on 4 April 1936 by the (the Röntgen Society of Germany). When unveiled, the memorial included 169 names, from fifteen<unk> , listed alphabetically; by 1959 there were 359, with the additions listed on four separate stone plaques, beside the original columnar stone memorial.
Monument to the X-ray and Radium Martyrs of All Nations
Dental key
USNS Mercy 
Archives of Physical Medicine and Rehabilitation
John G. Kerr Refuge for the Insane
Plarr's Lives of the Fellows
LeShawndra Price
FDI World Dental Federation