Eugene P. Wigner played a key role in the genesis of the theoretical background of Modern Physics. We celebrate one of the greatest scientists of the 20th century for several reasons by organizing the present conference: on the occasion of his 111th birthday, the 50th anniversary of his receiving the Nobel Prize in Physics, and to celebrate the recent foundation of our Wigner Research Centre for Physics, as well. Wigner's outstanding contributions to Modern Physics, in general, appear in fields of researches originating from his pathbreaking works, which nowadays - in some cases - even become the part of our everyday life. In order to possibly cover the very broad spectrum of Wigner's contributions to physics, subjects like foundations of physics, Wigner functions, group theory, quantum optics, solid state physics, particle and nuclear physics, astrophysics, energetics and nuclear reactors will be included in the program.