Dinner Lecture: The Changing Cryosphere (Adult Naturalist Program) Bob Jacobel is a Professor of Physics at St. Olaf College in Minnesota and has been a participant in the US Antarctic Research Program since 1987. The Jacobel Glacier on the Sulzberger Coast of West Antarctica is named in honor of his contributions to Antarctic science. He will be giving an overview of ice on planet earth, where we find it, and what's happening today. Meet at 5:30 p.m. at the Rookery Pub. You may also join us for dinner and conversation after the presentation. Register by December 8. $5 member/$10 non-member.