Known around the world for her groundbreaking research on chimpanzees, conservationist Jane Goodall was among a number of noteworthy people who died in October. Her immersive chimpanzee field research documented the primates’ personalities and use of tools. And she became a household name through appearances on television and in documentaries. The month also saw the death of R&B singer D’Angelo. Best known for his shirtless performance in the music video “Untitled (How Does It Feel),” fans