The DECEMBER/JANUARY CALENDAR of Philadelphia area events in the history of science, technology and medicine is now available at www.pachs.net/events. The monthly calendar includes workshops, seminars, conferences, films and exhibits such as:

12/12 at the Historical Society of Pennsylvania “Auguste Comte in Paradise: The Ecole Polytechnique, Temporal Series, and the Birth of Sociology” JOHN TRESCH, University of Pennsylvania Social hour follows discussion RSVP and download discussion paper at www.pachs.net

1/23 at the Academy of Natural Sciences “Caltech’s Atomic Age Greenhouse: Exploring the Laboratory Side of the Lab-Field Borderland” SHARON KINGSLAND, Johns Hopkins University Social hour follows discussion RSVP and download discussion paper at www.pachs.net

contact person:

Babak Ashrafi Philadelphia Area Center for History of Science 431 Chestnut Street, Philadelphia, Pennsylvania 19106 267.386-3487 www.pachs.net