Yvonne Choquet-Bruhat — At the workshop "Mathematical Aspects of General Relativity" in Oberwolfach, 2006. Photo Credit: By Renate Schmid - https://opc.mfo.de/detail?photo_id=7800, CC BY-SA 2.0 de, https://commons.wikimedia.org/w/index.php?curid=11209318
