I am just looking for some help in applying for a medical physics Phd, preferably in the area of Radiation Therapy. A bit of background: I have a B.A. in Physics and a M.Sc. in Medical Physics from Trinity College Dublin. I also have two years experience as a part II clinical scientist trainee in the UK. Basically a residency trainee program. I am interested in doing a Phd and I have been looking at programs in the USA, New Zealand, Australia and Europe. However, I have not seen many projects come up to apply to. Is it the norm to just contact groups directly and see what they have? I have done this before for programs in the USA and I was told that you need to apply for the graduates program for admission first. Is this correct? Can anyone give me any information they have on applying for medical physics Phds, especially if they were an international student applying or any other advice they have?