During his twice-weekly office hours at Umpleby’s Cafe in Hanover, N.H. computer science professor Sean Smith, 50, talks with student Emily Dann, of Manhattan, N.Y. about her project for the class Wednesday, July 15, 2015. Smith came to Dartmouth College in 2000 after working in information security at the Los Alamos National Laboratory and IBM. (Valley News – James M. Patterson)

Copyright © Valley News. May not be reprinted or used online without permission. Send requests to permission@vnews.com.