Dr. Annick Swenson is a fictional character from the novel "The Last Thing He Told Me" by Laura Dave. She is a skilled scientist known for her expertise in genetics and her work on a groundbreaking research project. Her character plays a significant role in the unfolding mystery of the story. In the narrative, Dr. Swenson's research is intertwined with themes of trust and betrayal, as her findings impact the lives of the main characters. Her dedication to her work highlights the importance of scientific integrity and the ethical dilemmas that can arise in the pursuit of knowledge.