Congratulations to Dr. Léonard Olivotto on passing his PhD viva in Grenoble – well done! Many thanks to the examiners Julea Butt (East Anglia), Nicolas Plumeré (TU Munich), Murielle Chavarot-Kerlidou (CEA Grenoble), Nicolas Le Poul (Brest), Jérôme Chauvin (UGA) and Ian Mabbett (Swansea) for giving him proper scrutiny.