抄録
This paper aims to find out how the successive presidents of City Planning Institute of Japan have recognized each situation of city, city planning and CPIJ, and have shown their ideas, moreover, how the last citified 50 years is summarized from their words. The conclusions are following: 1)6 contents are in their each recognition, and the transition can be divided into 3 periods. 5 contents are in their ideas, and the transitions can be divided into 3 periods. And these 2 divisions can be divided into 3 periods. 2)Though these recognitions and ideas, "civil participation", "adapting to the change", and "wide and peculiar field of city planning" are universal concept of city planning. 3)From the character of the words and the transitions, present is considered as the time of contribution to the society with various concepts.
