The review emphasizes the actuality and importance of Marfan syndrome research worldwide. The hundred years old disease has been described mainly by its skeletal, ocular and cardiovascular manifestations, and constitutional type. The underlying gene mutations have been discovered in 1991. The surgical treatment of aortic root dilatation and dissection using Dacron tube reconstruction in emergency and prophylactic surgery has been published in 1955. Nowadays international foundations, database networks subjected Marfan syndrome as a rare disease with privileged research programs. The clinical Ghent nosology of pleiotropic criteria is accepted
world-wide (1996). The research programs are focused on international proposals.