1) Medical specialist 2) Specialist 
a person specializing in the practical application of radiation in diagnostic radiology, radiotherapy or industrial radiography
A nonmedically qualified person who assists the radiologist in imaging (diagnostic radiographer) or the radiotherapist in treatment (therapeutic radiographer). ... (16 Dec 1997) ... 
(ra″de-og´rah-fer) a technologist whose work includes the making of diagnostic radiographs and production of radiographs as requested; this may be done under the supervision of a radiologist. There are programs for licensing various types of radiologic technologists.
A diagnostic radiographer helps to diagnose disease by taking x-ray pictures and scans. A therapy radiographer is trained to plan and deliver radiotherapy treatment, and to provide advice and support to patients.
Type: Term Pronunciation: rā′dē-og′ră-fĕr Definitions: 1. A technician trained to position patients and take radiographs or perform other radiodiagnostic procedures.
[n] - a person who makes radiographs
Person trained to operate radiotherapy machines and take x-rays.
A healthcare professional who takes x-rays and scans (diagnostic radiographer) or gives radiotherapy (therapeutic radiographer).
noun a person who makes radiographs