Mario Testino

The provided news articles focus on the death of Daphne Selfe, a British model recognized as the world's oldest working model, who passed away at the age of 97. The articles detail her long career, highlighting a recent fashion editorial she participated in with other models aged 52 to 90. The news is significant due to Selfe's pioneering role in challenging ageism within the fashion industry and her continued presence as a working model well into her nineties. The articles do not mention Mario Testino, so no information about him can be extracted from this source.