Dear colleagues, On **Thu** (9 January) we will celebrate Roger Butlin's retirement and his huge contribution to our field. It is possible to join online! The celebration will be a session at the upcoming Population Genetics Group meeting (7-9 January, Sheffield, UK). PopGroup itself is an in-person meeting, but Roger's session will be streamed as a webinar as well. Date: Thu 9 January Time: 2pm GMT�(note the potential time difference!) Format: A 2-hour session with talks presenting interesting research as well as stories from Roger's life in science Link: https://us06web.zoom.us/j/83972880389?pwd=fJMFBFqOrcH3RuuCyrwVQnPej2a30X.1 Best wishes, Rui Faria Kerstin Johannesson Jonna Kulmuni Sean Stankowski Anja Westram Anja Marie Westram (to subscribe/unsubscribe the EvolDir send mail to golding@mcmaster.ca)