Overview

• The Nobel Assembly’s early-morning call went unanswered as Ramsdell finished a three-week hike with his phone in airplane mode in the Rocky Mountains.
• His wife, Laura O’Neill, regained cell service near Yellowstone and alerted him after seeing a flood of congratulatory messages.
• After time-zone delays, he reached Secretary General Thomas Perlmann the next morning, roughly 20 hours after the first attempted call.
• Perlmann said it was the hardest time he has had reaching a laureate since taking the post in 2016.
• Ramsdell shares the 2025 prize with Mary Brunkow and Shimon Sakaguchi for work that informs treatment of autoimmune conditions such as some types of arthritis, multiple sclerosis, and Crohn’s disease.