As of my knowledge cutoff date in early 2023, Madeleine Gray may refer to several individuals, and it's important to identify the correct context in which you're asking. If you are referring to a contemporary author, historian, or other professional, you may need to provide additional information. If you are indeed referring to a specific author named Madeleine Gray who has a public profile and published works, then a short description would typically include her notable works, the subjects or genres she specializes in, and any significant contributions she has made to her field of expertise. However, without more context or information, I cannot provide a precise description of an author by this name. If Madeleine Gray is an emerging author, she may not have a widely recognized profile yet, and the information on her might be scarce or located in more specialized or local sources. If you have more details or are referring to a particular work or field in which Madeleine Gray is known, I can attempt to provide a more accurate description.