Lydia Hadley is a fictional character from the short story "The Veldt" by Ray Bradbury. She is a mother living in a technologically advanced home that caters to her family's every need. Lydia struggles with her children's growing obsession with the virtual reality nursery, which reflects their thoughts and desires. In the story, Lydia's concerns about the impact of technology on her family highlight themes of parenting and the consequences of over-reliance on machines. Her character represents the challenges faced by parents in a rapidly changing world, where technology can both enhance and complicate family dynamics.