PROCEEDINGS IAU S)1WOSIUM 112 Michael D. Papagiannis Department of Astronomy Boston University Boston, Massachusetts 02215, USA 1. THE SYMPOSIUM AND THE PROCEEDINGS IAU Symposium 112 - The Search for Extraterrestrial Life: Recent Developments, was held in Boston and in particular at the new Science Center of Boston University, June 18-21, 1984, and was attended by about 150 participants from 18 different countries. It was the first official scientific meeting organized by IAti Commission 51, the youngest of all IAU Commissions, which was established only in 1982 at the 18-th IAU General...