The first problem addressed is whether the vocation remains when the achieving conditions change dramatically and in accelerated rate, mutations based, as in Library & Information Science (LIS), in technology. The author lists changes in procedures over the past 30 years in professional practice and academia, this changes impact on relationships between older generations of librarians and the newer ones. It is claimed that the formation and the socio-economic and political environment helps to establish some distinguishing marks on the construction of professional identities over time. To build bridges between generations, the author indicates the need to agree on certain fundamental points: recognize that librarians are engaged in a politi...