Speakers for the symposium. Back row of three from left to right: Elizabeth Kujawinski (WHOI), Dan Repeta (WHOI) , Kristin Smith (MIT/WHOI Joint Program student); Middle row of three from left to right: Susan Henrichs (U. of Alaska-Fairbanks), Mark McCaffrey (OilTracers, LLC), Chris Reddy (WHOI)); Front row of five from left to right: Jim Quinn (URI), John Farrington (WHOI), Bruce Brownawell (Stonybrook U), Hideshige Takada (Tokyo U of Agriculture and Tech), Jean Whelan (WHOI). This picture was taken on the 5th floor of the Clark Laboratory at WHOI on November 8, 2005. (Sean Sylva )