… on topics related to nuclear security. Spring 2025 Schedule March 27 th , 5-6pm: Fiona Cunningham (University of … Studies). 46 Hillhouse Avenue, Room 104. Spring 2024 Schedule February 6 th , 12noon-1.20pm: Caitlin Talmadge … ISS colloquium). Rosenkranz Hall, room 005. Fall 2023 Schedule October 12 th , 4-5.30pm: Heather Williams (CSIS). …