Last year a Picture editor from Dutch Newspaper Nieuwe Rotterdamsche Courant contacted me about photographing physicist Sabine Hossenfelder. She was giving an interview on her new book, Existential Physics and the paper needed photography to go with the article. Fortunately for me, she was attending a lecture at the Physics Department of Oxford University. It was a chilly but sunny December day when we made plans to meet in the physics department later in the morning. As the