The group will discuss The Founders of Geology, by Sir Archibald Geikie (1897). “Lecture IV: Rise of the Modern Conception of the Theory of the Earth: James Hutton and John Playfair,” pp. 150–183. (Moderator to distribute text via e-mail.) This program will be held virtually on Zoom. Please email Amy Azzam at amyazzam@gmail.com (the group’s volunteer coordinator) for a Zoom invite or more information.