Dr. Bruce Dod, right, watches as Mercer students Paul Slovisky, left, and Mike O'Sullivan, center, operate the spectroscope they used to help confirm the existence of Georgia's only known thallium deposit. |
Dr. Bruce Dod, kneeling, with Mercer students, Barry Hollis and Rick Ganas, at a penguin rookery during their Antarctic expedition in 1993-4. |